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steam pressure (above the atmosphere),
lbs. back pressure, and cutting off at
stroke. When operating at its full rated load
under normal and regular working conditions

{each engine shall be guaranteed not to
exceed a steam consumption of lbs. of dry
steam per brake h. p. and per hour. The speed
variation between no load and full load shall
be guaranteed not to exceed
per cent.

Fach engine shall be provided with

The S

pulleys

a band flywheel

face.

in diameter by

All material and workmanship shall be of the highest grade; all parts accurately made to standard gauge and interchangeable; all moving parts carefully balanced; all valves and packing free from leakage.

{They shall operate noiselessly and with

out pounding or vibration when set on suitable foundation.

Each engine shall be provided with all 195. Fittings.
The S

necessary foundation bolts and plates, lubri-
cators, oil cups, cans, drips, guards, collect-
ors, steam and exhaust valves, safety cocks,
etc., and a full set of wrenches and spanners.

196. Oil Filter(s).

197. Painting.

Also with the necessary pipes, valves, and attachments, permanently connected with the engine, for taking indicator cards from both ends of the cylinder (at once). Indicators to be furnished by (the purchaser).

of

oil filter(s) (each) having a capacity

(As required.)

The foundation(s) for the (se) engine(s) shall

198. Foundatious.

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-, and shall be of sufficient length, width and depth to safely and firmly sustain (their)

its

weight and all strains to which

they are subjected. All necessary exca

it is

vating or filling and the removal of all débris

shall be done by the

contractor; } the height

purchaser;

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The

of the floor line above the ground is
foundation(s) shall be surmounted by (a) neat
capstone(s) of upon which the engine(s)
shall be placed. (If capstones are not specified,
each engine should be provided with an iron
sub-base or bed plate.) The foundations shall
be of such height that the driving pulley (s)
will swing
{ clear of the floor

below

(Character of the soil should also be specified.)

(Note. If this contractor furnishes plant 199. Starting complete, this section can be put before final

summary.)

When the {ant
Jengine(s)

Sare

is } ready for

operation they shall be run for a period {they}

of days by competent engineers furnished

by the contractor.

sufficient supply of

All oil, waste, etc., and a

{ dry steam

a suitable fuel (

be furnished by (the purchaser).

will

This contractor shall also give all necessary instructions to the engineer of (the purchaser) for the proper care, maintenance, and operation of the engine(s), Į {engine(s), such instructions

to be given during the trial period stipulated above.

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in length, and capable of transmitting horse-power at a belt speed of

Plant and Instruction.

200. Belts.

Such renewal parts as it is advisable to keep 201. Renewal on hand, adding hereto an itemized list of

same.

Parts.

202. Summary.

203. Counter

Shaft.

(See Note.-p. 47, sec. 27.)

Each bidder shall fill out completely the following summary:

Number of engines

Size of cylinder

Diameter of steam pipe

Diameter of exhaust pipe

Floor space

Brake horse-power at

revolutions,

-back

initial steam pressure,

pressure, cutting off at stroke

Speed

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Variation between no load and full

load

Number of pulleys

Dimensions of pulleys

Steam consumption per brake horse

power and per hour

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able, (self-oiling) boxes, base plates, bolts,

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Height
Drop

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line of shaft

Shafting to be

tapped for set screws

provided with key seats)

for the pulleys specified below, and (provided)

with all necessary collars, guard rings, etc.

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set screws.

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key seats and keys. Pulleys to be diameter by —— face, and capable of transmitting horse-power at revolutions.

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arm, balanced friction-clutch pulleys, in diameter by face, and capable of transmitting

horse-power at revolutions. Each pulley to be provided with a shifter rig, to be operated from The clutch must pick up the load without shock or jar, and the shifter rig must be positive in its action, not liable to get out of order, free from any tendency or liability to be thrown in or out accidentally.

(—— friction-clutch couplings, cut-off couplings, compression couplings, plate couplings, jaw clutches, etc.)

tions.

(Note.-Specify character of foundation 205. Foundaupon which shafting is to be placed, whether special foundations of brick or stone, floor timbers, wails, ceilings, posts, etc.)

horse-power.

front boiler(s) (each) rated at 206. Boiler(s).

The boiler(s) shall contain not less than

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of effective heating surface and of grate area per rated horse-power. The

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