livres
Description:
16 pages : illustrations ; 23 cm
Pittsburgh, Pa. : Steel City Electric Co., 1911.
Fullman adjustable watertight floor outlets.
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Description:
16 pages : illustrations ; 23 cm
livres
Pittsburgh, Pa. : Steel City Electric Co., 1911.
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Pure water for asylums, baths, clubs, hotels, office buildings, public institutions, residences, &c.
Description:
20 pages : illustrations ; 17 cm
Philadelphia, Pa. : New York Continental Jewell Filtration Co., 1901.
Pure water for asylums, baths, clubs, hotels, office buildings, public institutions, residences, &c.
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Description:
20 pages : illustrations ; 17 cm
livres
Philadelphia, Pa. : New York Continental Jewell Filtration Co., 1901.
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Flat roof specifications.
Description:
35 pages : illustrations ; 29 cm
New York : Barrett Co., [approximately 1924]
Flat roof specifications.
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Description:
35 pages : illustrations ; 29 cm
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New York : Barrett Co., [approximately 1924]
livres
Description:
4 unnumbered pages : illustrations ; 27 cm
[St. Louis, Mo.] : [Century Electric Co.], [approximately 1927]
Century 9 inch alternating current stationary fans.
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Description:
4 unnumbered pages : illustrations ; 27 cm
livres
[St. Louis, Mo.] : [Century Electric Co.], [approximately 1927]
livres
Description:
12 pages : illustrations ; 23 cm.
Pittsburgh, Pa. : Edison Storage Battery Co., [1916]
The Edison electric safety mine lamp.
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Description:
12 pages : illustrations ; 23 cm.
livres
Pittsburgh, Pa. : Edison Storage Battery Co., [1916]
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Description:
44 pages : illustrations ; 22 cm
Boston, Mass. : The Company, [approximately 1890]
Thomson-Houston International Electric Compagnie [sic] seul concessionaire [sic] du système e'éclairage [sic] électrique ...
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Description:
44 pages : illustrations ; 22 cm
livres
Boston, Mass. : The Company, [approximately 1890]
livres
Description:
60 pages : illustrations ; 18 cm
Schenectady, N.Y. : General Electric Co., 1916.
Street lighting brackets and center span fixtures for Mazda lamps.
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Description:
60 pages : illustrations ; 18 cm
livres
Schenectady, N.Y. : General Electric Co., 1916.
livres
Description:
45 pages : illustrations ; 26 x 26 cm
East Berlin, Conn. : Berlin Iron Bridge Company, [approximately 1890]
The Berlin Iron Bridge Company, iron railroad bridges, iron roofs, wrought iron turntables, iron fire escapes ...
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Description:
45 pages : illustrations ; 26 x 26 cm
livres
East Berlin, Conn. : Berlin Iron Bridge Company, [approximately 1890]
livres
Large concrete piles.
Description:
1 folded sheet (6 pages) : illustrations ; 28 cm
Chicago : Portland Cement Association, [1935]
Large concrete piles.
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Description:
1 folded sheet (6 pages) : illustrations ; 28 cm
livres
Chicago : Portland Cement Association, [1935]
livres
Description:
21 pages : illustrations ; 24 cm
New York, N.Y. : Sprague Electric Co., [approximately 1900]
Electric elevators with detailed description of special types / by Frank J. Sprague.
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21 pages : illustrations ; 24 cm
livres
New York, N.Y. : Sprague Electric Co., [approximately 1900]