Testimony of mariners
Subtitle: regarding the efficiency of the automatic acetylene gas buoys & beacons
By: International Marine Signal Co.
Contributors: International Marine Signal Co.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 78921
Publisher: International Marine Signal Co.
Published: 1996
Place of publication: Ottawa
Language: eng
Format: Microform
Number of pages: 50
Subjects: Buoys -- Design and construction.; Beacons -- Design and construction.
Notes: Dated: Ottawa, December, 1908.

Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1996.

88 p. ; 23 cm.