Compass believed to have belonged to J. Herbert Kerr. Used for Surveying in Western Canada in 1875.
"<a title="The History of Brass" href="http://metals.about.com/od/properties/a/The-History-Of-Brass.htm" target="_blank">Brass</a> pocket compass with hinged cover & ring. Fitted with needle stopper activated by sliding bar; double-pointed bar blued at N-end and red glass or jewelled centre in pivot point cap. Includes declination needle, which may be set by rotating casing back. (N.B: stopper bar point tip extends through casing wall & is exposed - quick stop function?)".<br /><br />Lacquered Brass case; glass cover has bevelled edge & brushed silver compass face. Compass needle blued at N-End; central mounting disk & declination needle chemically treated.<br /><br />Declination Needle has elongated diamond-shaped pointer & broard 3-pointed fan-like end.<br /><br /><a title="The Law Relating to the Merchandise Marks Act 1887 to 1894" href="http://galenet.galegroup.com/servlet/MOML?af=RN&ae=F451479917&srchtp=a&ste=14" target="_blank">'Made/in/France'</a> stamped on compass face, near 'S'/'C' stamped inside compass case cover, above hinge/quadrants & half-quadrants labelled; compass circle divided 0-360 at 2-degree intervals.<br /><br /><a title="Gurley Manual of Surveying Instruments" href="https://archive.org/details/gurleymanualsur03nygoog" target="_blank">Its function is to measure direction, with respect to magnetic North.</a>
Possibly <a title="Compassipedia" href="http://www.compassmuseum.com/diverstext/profiles.htm#CH" target="_blank">Collignon-Houlliot</a> (FRANCE)
Canada Science and Technology Museum, Artifact Context Report dated 28/01/2015
Canada Science and Technology Museum, researched for UOttawa Seminar HIS4135C, Jessica Ozorak and Carine Trazo.
art. no. 1987.2108 Canada Science and Technology Museum