Agents' and Inspectators Pocket-book of Fire ProtectionSpectator Company, 1902 - 218 стор. |
З цієї книги
Сторінка
George Velten Steeb. NAME . Diameter Steam Cylinder . Diameter Water Cylinder . Length of Stroke . BARR . 12 Barr Pumping Engine 14 Company , Philadel- 16 phia , Pa . 9 18 10 6 71⁄2 12 2222 BLAKE . 12 The George F. Blake 14 74 6 12 12 ...
George Velten Steeb. NAME . Diameter Steam Cylinder . Diameter Water Cylinder . Length of Stroke . BARR . 12 Barr Pumping Engine 14 Company , Philadel- 16 phia , Pa . 9 18 10 6 71⁄2 12 2222 BLAKE . 12 The George F. Blake 14 74 6 12 12 ...
Сторінка 42
... the wall frame and in back of wall frame . Rivets to be of Norway iron , at least 3 % of an inch in diameter and spaced not over 6 inches apart . Steel rivets should not be used . DOUBLE SWINGING DOORS 42 66 FIRE DOORS AND SHUTTERS .
... the wall frame and in back of wall frame . Rivets to be of Norway iron , at least 3 % of an inch in diameter and spaced not over 6 inches apart . Steel rivets should not be used . DOUBLE SWINGING DOORS 42 66 FIRE DOORS AND SHUTTERS .
Сторінка 45
... diameter , and placed not exceeding six inches apart . Hooks or gravity catches in wall to be provided to hold shutter in position when open . At least one shutter in three on each floor above the first to be constructed so that it can ...
... diameter , and placed not exceeding six inches apart . Hooks or gravity catches in wall to be provided to hold shutter in position when open . At least one shutter in three on each floor above the first to be constructed so that it can ...
Сторінка 53
... diameter than the steam pipe , and supported at each end by an iron collar , so arranged as to keep the pipe from contact with the sleeve pipe , or the space between the steam pipe and sleeve pipe must be filled with mineral wood.or ...
... diameter than the steam pipe , and supported at each end by an iron collar , so arranged as to keep the pipe from contact with the sleeve pipe , or the space between the steam pipe and sleeve pipe must be filled with mineral wood.or ...
Сторінка 56
... diameter ; this pipe must be sub- stantially installed , without traps , and so that any condensation will drain back to the generator ; it must be carried to a suitable point outside the building and terminate in an approved hood ...
... diameter ; this pipe must be sub- stantially installed , without traps , and so that any condensation will drain back to the generator ; it must be carried to a suitable point outside the building and terminate in an approved hood ...
Загальні терміни та фрази
amperes apparatus appliances approved arc lamps arranged asbestos attached automatic sprinkler benzine Board of Fire boiler bolts brick building burners capacity ceiling cement check valve circuit closed coating conductors connections construction cornice covered cut-out cylinders diameter discharge dryer dust dynamo electric elevator exposed factories fastened feet fire doors fire pump Fire Underwriters fireproof fixture floor fuse fusible link gallons gasolene gate valve glass grain grain dryers hazards heat hose hydrant inches inflammable materials inside installed insulating joints joists lamps laths leaking least less liable light located machines metal mills moisture naphtha National Board non-combustible paint partitions placed possible pounds pressure prevent protected rheostat riser riveted roof securely shaft shutters side solder steam pipes stoves suction pipe supply supported switch tank terra cotta tubes ventilated vertical volts wall frame wires wood wooden woodwork wrought iron
Популярні уривки
Сторінка 79 - The lower limit is specified for rubber-covered wires to prevent gradual deterioration of the high insulations by the heat of the wires, but not from fear of igniting the insulation. The question of drop is not taken into consideration in the above tables.
Сторінка 102 - They must not come nearer than two inches to any electric light or power wire in the building, unless separated therefrom by some continuous and firmly fixed non-conductor creating a permanent separation ; this non-conductor to be in addition to the regular insulation on the wire.
Сторінка 80 - VOLTS. Any circuit attached to any machine or combination of machines which develops a difference of potential, between any two wires, of over...
Сторінка 81 - Rigid supporting requires under ordinary conditions, where wiring along flat surfaces, supports at least every four and one-half feet. If the wires are liable to be disturbed, the distance between supports should be shortened. In buildings of mill construction, mains of No.
Сторінка 103 - Insulation Resistance — The wiring in any building must test free from grounds; ie, the complete installation must have an insulation between conductors and between all conductors and the ground (not including attachments, sockets, receptacles, etc.) of not less than the following: Up to 5 amperes 4,000,000 ohms...
Сторінка 83 - ... a highpotential circuit and as coming under that class, unless an approved transforming device is used which cuts the difference of potential down to 550 volts or less.
Сторінка 82 - ... except that if the difference of potential between the wires is not over 300 volts, and if the wires are not exposed to moisture, they may be fished...
Сторінка 106 - Bushings must be long enough to bush the entire length of the hole in one continuous piece, or else the hole must first be bushed by a continuous waterproof tube. This tube may be a conductor, such as iron pipe, but in that case an insulating bushing...
Сторінка 88 - Must be placed on all service wires, either overhead or underground, as near as possible to the point where they enter the building and inside the walls, and arranged to cut off the entire current from the building.
Сторінка 91 - Hanger-boards must be so constructed that all wires and current-carrying devices thereon shall be exposed to view, and thoroughly insulated by being mounted on a non-combustible, non-absorptive insulating substance. All switches attached to the same must be so constructed that they shall be automatic in their action, cutting off both poles to the lamp, not stopping between points when started, and preventing an arc between points under all circumstances.