Time and clocks
Subtitle: a description of ancient and modern methods of measuring time
By: by H.H. Cunynghame.
Publisher: Constable & Co.
Published: 1909
Place of publication: London
Language: eng
Number of pages: 200
Subjects: Time; Clocks and watches
Notes: "Cheaper re-issue 1909."

"Appendix on the shape of the teeth of wheels": p. 187-197.