Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 989
No. 155. They are Steel, Full Tempered. Parts Interchangeable.Joints so constructed that wear is compensated for. Templewill not work loose and fall down as in old style joints. Nose-piece reinforced where it joins eye, giving extra strength withneatness. PRIZE MEDALS AT ALL EXHIBITIONSWHERE… … Patented May 13, 1879. Re-issued June 8, 1880. A.—Stop for Temple, preventing Strain on Joint. B.—Compensating eye, for taking up wear of joint. The eyeof Temple is smaller than Stubb Steel Joint Pin onwhich it works, and is left open at B, exerting aSpring Tension on Pin. All my better grades of…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
