Ehrhardt, Roy
VIAF ID: 18506014 ( Personal )
Permalink: http://viaf.org/viaf/18506014
Preferred Forms
- 100 1 _ ‡a Ehrhardt, Roy
-
- 100 1 _ ‡a Ehrhardt, Roy
-
- 100 1 _ ‡a Ehrhardt, Roy
-
Works
Title | Sources |
---|---|
American pocket and wrist watch balance staff interchangeability list | |
Amerikanische Taschenuhren | |
Cartier wrist and pocket watches, clocks | |
Clock identification and price guide | |
Encyclopedia of old pocket knives; price guide to 500 knives. | |
Hamilton hand-written serial numbers by Col. George E. Townsend 1 to 824,700 : from the original Hamilton Serial number books in the NAWCC library Col. Townsend's production count's : re-numbered Hamilton watches, many rare & interesting watches! | |
Illinois watches | |
Pocket watch price guide : over 2600 actual pocket watches priced | |
Price guide to Col. George E. Townsend's 4-books on American pocket watches. | |
Rockford Watch Company : grade and serial numbers with production figures | |
Trade marks : watch cases, pocket watches, precious stones, diamonds | |
Vintage American & European wrist watch price guide. |