Buchanan's patent detent for stopping the paper barrel of steam-engine indicators
Subtitle: secured by letters patent, dated 9th May, 1887 ..
Publisher: s.n.
Published: 1986
Place of publication: [S.l
Language: eng
Format: Microform
Subjects: Steam-engines.
Other titles: Printed ephemera.
Notes: Printed ephemera.

Filmed from a copy of the original publication held by the Library of the Public Archives of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1986.

[4] p. ; 26 x 42 cm.