Improved snow plough for railways
Subtitle: to [blank] : having obtained letters patent, no. 374, for an improved snow plough for railways, I take the liberty of enclosing you the annexed description of the invention ...
Publisher: J. Carr
Published: 1870
Place of publication: Toronto
Language: eng
Subjects: Railroads; Snow protection and removal; Railroad snowplows; Chemins de fer; Déneigement et protection contre la neige; Chasse-neige (Chemins de fer)
Other titles: Description of Carr's improved snow plough for railways :
Notes: Dated: Toronto, Ont., October, 1870.

Signed: John Carr.

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Caption title (p. [3]): Description of Carr's improved snow plough for railways : secured by letters patent, dated April 25, 1870.