books
Description:
16 pages : illustrations ; 20 cm
Philadelphia, Pa. : M'Laughlin Brothers, Printers, [approximately 1880]
Allison's patent socket for connecting wrought-iron tubes.
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Description:
16 pages : illustrations ; 20 cm
books
Philadelphia, Pa. : M'Laughlin Brothers, Printers, [approximately 1880]
books
Description:
14 pages : illustrations ; 26 cm
Aurora, Ill. : Richards-Wilcox Mfg. Co., [approximately 1914]
Richards-Wilcox accordion folding door & flush door hangers for schools, churches and public buildings.
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Description:
14 pages : illustrations ; 26 cm
books
Aurora, Ill. : Richards-Wilcox Mfg. Co., [approximately 1914]
books
Description:
12 pages : illustrations ; 27 cm
East Pittsburgh, Pa. : Westinghouse Electric & Manufacturing Co., [1929]
Resonant control for street lights.
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Description:
12 pages : illustrations ; 27 cm
books
East Pittsburgh, Pa. : Westinghouse Electric & Manufacturing Co., [1929]
books
Karnak.
Description:
15 pages ; 28 cm
Chicago : Gardiner & Lewis Inc., 1922.
books
Chicago : Gardiner & Lewis Inc., 1922.
books
Gold's electric thermostat temperature regulating systems for the automatic control of steam.
Description:
32 pages : illustrations ; 28 cm
Brooklyn, N.Y. : Gold Car Heating & Lighting Co., 1921.
Gold's electric thermostat temperature regulating systems for the automatic control of steam.
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Description:
32 pages : illustrations ; 28 cm
books
Brooklyn, N.Y. : Gold Car Heating & Lighting Co., 1921.
books
The whiting cupola.
Description:
1 volume : illustrations ; 23 cm
Detroit, Mich. : Detoit Foundry Equipment Co., [approximately 1910]
books
Detroit, Mich. : Detoit Foundry Equipment Co., [approximately 1910]
books
Godwin steel paving guards protect the edges of road, street, curb and railway paving. Booklet "N."
Description:
31 pages : illustrations, diagrams ; 28 cm
Baltimore, Md. : W.S. Godwin Inc., [approximately 1925]
Godwin steel paving guards protect the edges of road, street, curb and railway paving. Booklet "N."
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Description:
31 pages : illustrations, diagrams ; 28 cm
books
Baltimore, Md. : W.S. Godwin Inc., [approximately 1925]
books
Description:
8 unnumbered pages : illustrations ; 28 cm
[Philadelphia, Pa.] : [Electric Storage Battery Co.], [1934]
Behind these lights is the emergency protection of Exide batteries.
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Description:
8 unnumbered pages : illustrations ; 28 cm
books
[Philadelphia, Pa.] : [Electric Storage Battery Co.], [1934]
books
Description:
42 p. : ill., facsims. ; 25 cm.
Denver, Colorado : D. Hug, 1901.
The Hug water wheel patented in the United States and foreign countries.
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Description:
42 p. : ill., facsims. ; 25 cm.
books
Denver, Colorado : D. Hug, 1901.
books
Description:
19 pages : illustrations ; 23 cm
New York : New Jersey Zinc Co., [1928]
Zinc oxide and its application to paint / by L.H. Trott.
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Description:
19 pages : illustrations ; 23 cm
books
New York : New Jersey Zinc Co., [1928]