An analysis of the lever escapement
By: by H.R. Playtner.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 65052
Publisher: Printed for E. & A. Gunther Co.
Published: 1997
Place of publication: Brantford, Ont
Language: eng
Format: Microform
Number of pages: 37
Subjects: Clock and watch making.; Clocks and watches -- Escapements.
Notes: "A Lecture delivered before the Canadian Watchmakers' and Retail Jewelers' Association."

Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1997.

57 p. : ill. ; 21 cm.