Ads
related to: keystone watch case model 173 skid
Search results
Results From The WOW.Com Content Network
Keystone Watch Case Co. was the name of a conglomerate of watch companies assembled by Theophilus Zurbrugg by 1904. Keystone purchased the rights to the E. Howard name (a legacy of the Howard Watch Company ) in 1902 and sold Keystone-Howard watches.
Keystone Watch Company may refer to: The Keystone Watch Case Co. Keystone Standard Watch Co. This page was last edited on 29 ...
The Philadelphia Watch Case Company Building is located at Pavilion and Lafayette Avenues near the Riverside station in Riverside Township of Burlington County, New Jersey. It was added to the National Register of Historic Places on January 31, 1978, for its significance in architecture, industry, and entertainment.
The Model 23 was a 16-size chronograph pocket watch. The Model 4992b was in a 16-size case with a black dial. It was used as the pocket watch for the U.S. military, featuring a less accurate 21-jewel railroad grade movement. [citation needed] By 1970, 13,086 Hamilton Model 21 Marine Chronometers had been produced.
The Keystone View Company was a major distributor of stereographic images, and was located in Meadville, Pennsylvania.From 1892 through 1963 Keystone produced and distributed both educational and comic/sentimental stereoviews, and stereoscopes.
Jewel bearing of a balance wheel, supported by a lyre-shaped spring. The Incabloc shock protection system is the trade name for a spring-loaded mounting system for the jewel bearings that support the balance wheel in a mechanical watch, to protect the wheel's delicate pivots from damage in the event of physical shock, such as if the watch is dropped.