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Report of the committee on science and the arts on Hugo Bilgram's improvement in gearing for metal planers


Publisher
Elsevier Science
Year
1883
Tongue
English
Weight
143 KB
Volume
115
Category
Article
ISSN
0016-0032

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Report of the Committee on Science and t
โœ O.B. Colton; Thos. Shaw; Wm.D. Marks; Coleman Sellers Jr. ๐Ÿ“‚ Article ๐Ÿ“… 1879 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 545 KB

## HALI, OF THE FRAKKLIX ISSTWCTE, \ PHILADELPHIA, NOY. 29th, 1X7X. ) The Committee on Science and the Arts, constituted by the Franklin Institute. of the State of Pennsylvania, to whom WJH referred for examination A&worth's Automatic Safety-switch for Railroads, report that they have carefully ex