The Architect's and Builder's Pocket-book of Mensuration, Geometry ...: Strength and Stability of Foundations ... Etc ... Statistics and Tables Relating to Carpentry, Masonry, Drainage ... Etc
Wiley, 1892 - 911 стор.
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allow angles arch axis bars base beam bottom brick building built carry cast-iron ceiling cement cent centre column compute concrete considered construction continuous covered cubic deflection depth describe desired determined diameter dimensions distance distributed divide draw equal EXAMPLE feet figure fire fire-proof flange flat floor force formula foundation four girder give given ground hence iron joint length less light material measured metal method mortar Multiply obtained parallel pieces pine placed plank plaster plates posts pounds pounds per square pressure proportion protected purlins radius rafter represented resistance rivets rods roof rule safe load shown in Fig shows side space span square foot square inch steel stone strain strength strut surface taken tests thickness tile timber tons truss vertical wall weight width wire wood wooden
Сторінка 26 - Square Measure 144 square inches = 1 square foot 9 square feet = 1 square yard...
Сторінка 125 - Force is that which changes, or tends to change, the state of rest or motion of the body acted upon.
Сторінка 679 - Must have a switch and a cut-out for each wire between the underground conductors and the interior wiring when the two parts of the wiring are connected. These "switches and fuses must be placed as near as possible to the end of the underground conduit, and connected therewith by specially insulated conductors, kept apart not less than two and a half inches.
Сторінка 681 - ... b. Must not be placed in the immediate vicinity of easily ignitible stuff or where exposed to inflammable gases or dust or to flyings of combustible material.
Сторінка 679 - Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot come in contact with the pipe accidentally. Wires should be run over, rather than under, pipes upon which moisture is likely to gather or which, by leaking, might cause trouble on a circuit.
Сторінка 684 - No combination fixture in which the conductors are concealed in a space less than one-fourth inch between the inside pipe and the outside casing will be approved. e. Must be tested for "contacts...
Сторінка 38 - A Sphere is a solid bounded by a curved surface all points of which are equally distant from a point within called the centre.
Сторінка 720 - Multiply the diameter of the driver by number of its revolutions, and divide the product by the diameter of the driven, the quotient will be the number of revolutions of the driven.