MODERN SUBMARINE CHART - WITH 200 PARTS NUMBERED AND

NAMED.

A cross-section view, showing clearly and distinctly all the interior of a Submarine of
the latest type.
You get more information from this chart, about the construction and
operation of a Submarine, than in any other way. No details omitted-everything
is accurate and to scale. It is absolutely correct in every detail, having been approved
by Naval Engineers. All the machinery and devices fitted in a modern Submarine
Boat are shown, and to make the engraving more readily understood, all the features
are shown in operative form, with Officers and Men in the act of performing the duties
assigned to them in service conditions. This CHART IS REALLY AN ENCYCLO-
PEDIA OF A SUBMARINE.
25 cents

BOX CAR CHART.

A chart showing the anatomy of a box car, having every part of the car numbered and
its proper name given in a reference list.
25 cents

GONDOLA CAR CHART.

A chart showing the anatomy of a gondola car, having every part of the car numbered and its proper reference name given in a reference list.

25 cents

PASSENGER-CAR CHART.

A chart showing the anatomy of a passenger-car, having every part of the car numbered and its proper name given in a reference list.

25 cents

STEEL HOPPER BOTTOM COAL CAR.

A chart showing the anatomy of a steel Hopper Bottom Coal Car, having every part
of the car numbered and its proper name given in a reference list.
25 cents

TRACTIVE POWER CHART.

A chart whereby you can find the tractive power or drawbar pull of any locomotive
without making a figure. Shows what cylinders are equal, how driving wheels and
steam pressure affect the power. What sized engine you need to exert a given drawbar
pull or anything you desire in this line.
50 cents

HORSE-POWER CHART

Shows the horse-power of any stationary engine without calculation.

No matter what

the cylinder diameter of stroke, the steam pressure of cut-off, the revolutions, or whether condensing or non-condensing, it's all there. Easy to use, accurate, and saves time and calculations. Especially useful to engineers and designers. 50 cents BOILER ROOM CHART. By Geo. L. Fowler.

A chart-size 14x28 inches-showing in isometric perspective the mechanisms be-
longing in a modern boiler room. The various parts are shown broken or removed,
so that the internal construction is fully illustrated. Each part is given a reference
number, and these, with the corresponding name, are given in a glossary printed at
the sides. This chart is really a dictionary of the boiler room-the names of more than
200 parts being given.
25 cents

COMPRESSED AIR

COMPRESSED AIR IN ALL ITS APPLICATIONS. By GARDNER D. HISCOX. This is the most complete book on the subject of Air that has ever been issued, and its thirty-five chapters include about every phase of the subject one can think of. It may be called an encyclopedia of compressed air. It is written by an expert, who, in its 665 pages, has dealt with the subject in a comprehensive manner, no phase of it being omitted. Includes the physical properties of air from a vacuum to its highest pressure, its thermodynamics, compression, transmission and uses as a motive power, in the Operation of Stationary and Portable Machinery, in Mining, Air Tools, Air Lifts, Pumping of Water, Acids, and Oils; the Air Blast for Cleaning and Painting, the Sand Blast and its Work, and the Numerous Appliances in which Compressed Air is a Most Convenient and Economical Transmitter of Power for Mechanical Work, Railway Propulsion, Refrigeration, and the Various Uses to which Compressed Air has been applied. Includes forty-four tables of the physical properties of air, its compression, expansion, and volumes required for various kinds of work, and a list of patents on compressed air from 1875 to date. Over 500 illustrations, 5th Edition, revised and enlarged. Cloth bound, $5.00. Half Morocco, price.

$6.50

CONCRETE

JUST PUBLISHED-CONCRETE WORKERS' REFERENCE BOOKS. Α SERIES OF POPULAR HANDBOOKS FOR CONCRETE USERS. Prepared by A. A. HOUGHTON.

Each 50 cents

The author, in preparing this Series, has not only treated on the usual types of construction, but explains and illustrates molds and systems that are not patented, but which are equal in value and often superior to those restricted by patents. These molds are very easily and cheaply constructed and embody simplicity, rapidity of operation, and the most successful results in the molded concrete. Each of these Twelve books is fully illustrated, and the subjects are exhaustively treated in plain English.

CONCRETE WALL FORMS. By A. A. HOUGHTON.

A new automatic wall clamp is illustrated with working drawings. Other types of
wall forms, clamps, separators, etc., are also illustrated and explained.
(No. 1 of Series)

CONCRETE FLOORS AND SIDEWALKS. By A. A. HOUGHTON.

50 cents

The molds for molding squares, hexagonal and many other styles of mosaic floor and
sidewalk blocks are fully illustrated and explained. (No. 2 of Series)
50 cents

PRACTICAL CONCRETE SILO CONSTRUCTION. By A. A. HOUGHTON.

Complete working drawings and specifications are given for several styles of concrete
silos, with illustrations of molds for monolithic and block silos. The tables, data, and
information presented in this book are of the utmost value in planning and constructing
all forms of concrete silos. (No. 3 of Series)
50 cents

MOLDING CONCRETE CHIMNEYS, SLATE AND ROOF TILES.

HOUGHTON.

By A. A.

The manufacture of all types of concrete slate and roof tile is fully treated. Valuable data on all forms of reinforced concrete roofs are contained within its pages. The construction of concrete chimneys by block and monolithic systems is fully illustrated and described. A number of ornamental designs of chimney construction with molds are shown in this valuable treatise. (No. 4 of Series.). 50 cents MOLDING AND CURING ORNAMENTAL CONCRETE. By A. A. HOUGHTON. The proper proportions of cement and aggregates for various finishes, also the method of thoroughly mixing and placing in the molds, are fully treated. An exhaustive treatise on this subject that every concrete worker will find of daily use and value. (No. 5 of Series.). 50 cents

CONCRETE MONUMENTS, MAUSOLEUMS AND BURIAL VAULTS. By A. A.

HOUGHTON.

The molding of concrete monuments to imitate the most expensive cut stone is ex-
plained in this treatise, with working drawings of easily built molds. Cutting in-
scriptions and designs are also fully treated. (No. 6 of Series.)
50 cents

MOLDING CONCRETE BATHTUBS, AQUARIUMS AND NATATORIUMS.
By A. A. HOUGHTON.

Simple molds and instruction are given for molding many styles of concrete bathtubs, swimming-pools, etc. These molds are easily built and permit rapid and successful work. (No. 7 of Series.) 50 cents CONCRETE BRIDGES, CULVERTS AND SEWERS. By A. A. HOUGHTON. A number of ornamental concrete bridges with illustrations of molds are given. A collapsible center or core for bridges, culverts and sewers is fully illustrated with detailed instructions for building. (No. 8 of Series.) 50 cents

CONSTRUCTING CONCRETE PORCHES. By A. A. HOUGHTON.

A number of designs with working drawings of molds are fully explained so any one
can easily construct different styles of ornamental concrete porches without the pur-
chase of expensive molds. (No. 9 of Series.)
50 cents

MOLDING CONCRETE FLOWER-POTS, BOXES, JARDINIERES, ETC.
A. A. HOUGHTON.

By

The molds for producing many original designs of flower-pots, urns, flower-boxes,
jardinieres, etc., are fully illustrated and explained, so the worker can easily construct
and operate same. (No. 10 of Series.)
50 cents

MOLDING CONCRETE FOUNTAINS AND LAWN ORNAMENTS. By A. A.

HOUGHTON.

The molding of a number of designs of lawn seats, curbing, hitching posts, pergolas, sun
dials and other forms of ornamental concrete for the ornamentation of lawns and gar-
dens, is fully illustrated and described. (No. 11 of Series)
50 cents

CONCRETE FROM SAND MOLDS. By A. A. HOUGHTON.

A Practical Work treating on a process which has heretofore been held as a trade secret
by the few who possessed it, and which will successfully mold every and any class of
ornamental concrete work. The process of molding concrete with sand molds is of
the utmost practical value, possessing the manifold advantages of a low cost of molds,
the ease and rapidity of operation, perfect details to all ornamental designs, density
and increased strength of the concrete, perfect curing of the work without attention
and the easy removal of the molds regardless of any undercutting the design may have.
192 pages. Fully illustrated. Price
$2.00

ORNAMENTAL CONCRETE WITHOUT MOLDS. By A. A. HOUGHTON.

The process for making ornamental concrete without molds has long been held as a secret, and now, for the first time, this process is given to the public. The book reveals the secret and is the only book published which explains a simple, practical method whereby the concrete worker is enabled, by employing wood and metal templates of different designs, to mold or model in concrete any Cornice, Archivolt, Column, Pedestal, Base Cap, Urn or Pier in a monolithic form-right upon the job. These may be molded in units or blocks, and then built up to suit the specifications demanded. This work is fully illustrated, with detailed engravings. Price. $2.00 CONCRETE FOR THE FARM AND IN THE SHOP. BY H. COLIN CAMPBELL, C.E., E.M.

"Concrete for the Farm and in the Shop" is a new book from cover to cover, illustrating and describing in plain, simple language many of the numerous applications of concrete within the range of the home worker. Among the subjects treated are: Principles of reinforcing; methods of protecting concrete so as to insure proper hardening; home-made mixers; mixing by hand and machine; form construction, described and illustrated by drawings and photographs; construction of concrete walls and fences; concrete fence posts; concrete gate posts; corner posts; clothes line posts; grape arbor posts; tanks; troughs; cisterns; hog wallows; feeding floors and barnyard pavements; foundations; well curbs and platforms; indoor floors; sidewalks; steps; concrete hotbeds and cold frames; concrete slab roofs; walls for buildings; repairing leaks in tanks and cisterns; and all topics associated with these subjects as bearing upon securing the best results from concrete are dwelt upon at sufficient length in plain every-day English so that the inexperienced person desiring to undertake a piece of concrete construction can, by following the directions set forth in this book, secure 100 per cent success every time. A number of convenient and practical tables for estimating quantities, and some practical examples, are also given. (5 x 7.) 149 pages, 51 illustrations. Price

$0.75 POPULAR HANDBOOK FOR CEMENT AND CONCRETE USERS. By MYRON H. LEWIS.

This is a concise treatise of the principles and methods employed in the manufacture and use of cement in all classes of modern works. The author has brought together in this work all the salient matter of interest to the user of concrete and its many diversified products. The matter is presented in logical and systematic order, clearly written, fully illustrated and free from involved mathematics. Everything of value to the concrete user is given, including kinds of cement employed in construction, concrete architecture, inspection and testing, waterproofing, coloring and painting, rules, tables, working and cost data. The book comprises thirty-three chapters, as follows: Introductory. Kinds of Cements and How They are Made. Properties. Testing and Requirements of Hydraulic Cement. Concrete and its Properties. Sand, Broken Stone and Gravel for Concrete. How to Proportion the Materials. How to Mix ΙΟ

and Place Concrete. Forms of Concrete Construction. The Architectural and Artistic
Possibilities of Concrete. Concrete Residences. Mortars, Plasters and Stucco, and
How to Use them. The Artistic Treatment of Concrete Surfaces. Concrete Building
Blocks. The Making of Ornamental Concrete. Concrete Pipes, Fences, Posts, etc.
Essential Features and Advantages of Reenforced Concrete. How to Design Reen-
forced Concrete Beams, Slabs and Columns. Explanations of the Methods and
Principles in Designing Reenforced Concrete Beams and Slabs. Systems of Reen-
forcement Employed. Reenforced Concrete in Factory and General Building Con-
struction. Concrete in Foundation Work. Concrete Retaining Walls, Abutments
and Bulkheads. Concrete Arches and Arch Bridges. Concrete Beam and Girder
Bridges. Concrete in Sewerage and Drainage Works. Concrete Tanks, Dams and
Reservoirs. Concrete Sidewalks, Curbs and Pavements. Concrete in Railroad Con-
structions. The Utility of Concrete on the Farm. The Waterproofing of Concrete
Structure. Grout of Liquid Concrete and Its Use. Inspection of Concrete Work. Cost
of Concrete Work. Some of the special features of the book are: 1. The Attention
Paid to the Artistic and Architectural Side of Concrete Work. 2. The Authoritative
Treatment of the Problem of Waterproofing Concrete. 3. An Excellent Summary of
the Rules to be Followed in Concrete Construction. 4. The Valuable Cost Data and
Useful Tables given. A valuable Addition to the Library of Every Cement and
Concrete User. Price.
$2.50

WHAT IS SAID OF THIS BOOK:

"The field of Concrete Construction is well covered and the matter contained is well
within the understanding of any person."-Engineering-Contracting.
"Should be on the bookshelves of every contractor, engineer, and architect in the
land."-National Builder.

WATERPROOFING CONCRETE. By MYRON H. LEWIS.

Modern Methods of Waterproofing Concrete and Other Structures. A condensed
statement of the Principles, Rules, and Precautions to be Observed in Waterproofing
and Dampproofing Structures and Structural Materials. Paper binding. Illustrated.
Price
50 cents

DICTIONARIES

STANDARD ELECTRICAL DICTIONARY.

By T. O'CONOR SLOANE.

An indispensable work to all interested in electrical science. Suitable alike for the
student and professional. A practical handbook of reference containing definitions of
about 5000 distinct words, terms and phrases. The definitions are terse and concise
and include every term used in electrical science. Recently issued. An entirely new
edition. Should be in the possession of all who desire to keep abreast with the progress
of this branch of science. Complete, concise and convenient.
682 pages.
393 illustra-
tions. Price
$3.00

DIES METAL WORK

DIES: THEIR CONSTRUCTION AND USE FOR THE MODERN WORKING OF SHEET METALS. By J. V. WOODWORTH.

A most useful book, and one which should be in the hands of all engaged in the press working of metals; treating on the Designing, Constructing, and Use of Tools, Fixtures and Devices, together with the manner in which they should be used in the Power Press, for the cheap and rapid production of the great variety of sheet-metal articles now in use. It is designed as a guide to the production of sheet-metal parts at the minimum of cost with the maximum of output. The hardening and tempering of Press tools and the classes of work which may be produced to the best advantage by the use of dies in the power press are fully treated. Its 505 illustrations show dies, press fixtures and sheet-metal working devices, the descriptions of which are so clear and practical that all metal-working mechanics will be able to understand how to design, construct and use them. Many of the dies and press fixtures treated were either constructed by the author or under his supervision. Others were built by skilful mechanics and are in use in large sheet-metal establishments and machine shops. 5th Edition. Price . .

$3.00

PUNCHES, DIES AND TOOLS FOR MANUFACTURING IN PRESSES. By J. V. WOODWORTH.

This work is a companion volume to the author's elementary work entitled "Dies, Their Construction and Use." It does not go into the details of die-making to the extent of the author's previous book, but gives a comprehensive review of the field of operations carried on by presses. A large part of the information given has been drawn from the author's personal experience. It might well be termed an Encyclopedia of Die-Making, Punch-Making, Die-Sinking, Sheet-Metal Working, and Making of Special Tools, Subpresses, Devices and Mechanical Combinations for Punching, Cutting, Bending, Forming, Piercing, Drawing, Compressing and Assembling Sheet-Metal Parts, and also Articles of other Materials in Machine Tools. 2d Edition. Price. $4.00 DROP FORGING, DIE-SINKING AND MACHINE-FORMING OF STEEL. By J. V. WOODWORTH.

This is a practical treatise on Modern Shop Practice, Processes, Methods, Machine
Tools, and Details treating on the Hot and Cold Machine-Forming of Steel and Iron
into Finished Shapes; together with Tools, Dies, and Machinery involved in the
manufacture of Duplicate Forgings and Interchangeable Hot and Cold Pressed Parts
from Bar and Sheet Metal. This book fills a demand of long standing for information
regarding drop-forgings, die-sinking and machine-forming of steel and the shop
practice involved, as it actually exists in the modern drop-forging shop. The processes
of die-sinking and force-making, which are thoroughly described and illustrated in this
admirable work, are rarely to be found explained in such a clear and concise manner
as is here set forth. The process of die-sinking relates to the engraving or sinking of
the female or lower dies, such as are used for drop-forgings, hot and cold machine
forging, swedging and the press working of metals. The process of force-making
relates to the engraving or raising of the male or upper dies used in producing the
lower dies for the press-forming and machine-forging of duplicate parts of metal.
In addition to the arts above mentioned the book contains explicit information re-
garding the drop-forging and hardening plants, designs, conditions, equipment, drop
hammers, forging machines, etc., machine forging, hydraulic forging, autogenous
welding and shop practice. The book contains eleven chapters, and the information
contained in these chapters is just what will prove most valuable to the forged-metal
worker. All operations described in the work are thoroughly illustrated by means of
perspective half-tones and outline sketches of the machinery employed. 300 detailed
illustrations. Price.
$2.50

DRAWING-SKETCHING PAPER

PRACTICAL PERSPECTIVE. By RICHARDS and COLVIN.

Shows just how to make all kinds of mechanical drawings in the only practical perspective isometric. Makes everything plain so that any mechanic can understand a sketch or drawing in this way. Saves time in the drawing room, and mistakes in the shops. Contains practical examples of various classes of work. 4th Edition. 50 cents

LINEAR PERSPECTIVE SELF-TAUGHT. By HERMAN T. C. KRAUS.

This work gives the theory and practice of linear perspective, as used in architectural,
engineering and mechanical drawings. Persons taking up the study of the subject
by themselves will be able, by the use of the instruction given, to readily grasp the
subject, and by reasonable practice become good perspective draftsmen.
The arrange-
ment of the book is good; the plate is on the left-hand, while the descriptive text
follows on the opposite page, so as to be readily referred to. The drawings are on
sufficiently large scale to show the work clearly and are plainly figured. There is
included a self-explanatory chart which gives all information necessary for the thorough
understanding of perspective. This chart alone is worth many times over the price of
the book. 2d Revised and enlarged Edition.
$2.50

SELF-TAUGHT MECHANICAL DRAWING AND ELEMENTARY MACHINE
DESIGN. By F. L. SYLVESTER, M.E., Draftsman, with additions by ERIK
OBERG, associate editor of "Machinery."

This is a practical treatise on Mechanical Drawing and Machine Design, comprising the first principles of geometric and mechanical drawing, workshop mathematics, mechanics, strength of materials and the calculations and design of machine details.