Thanks for posting, Greg. To add to this wonderful example, here is (1) an ad published in the November 5, 1913 issue of The Jewelers' Circular Weekly showing the dial/hands combination and (2) an original box with dial/hands. Notice the request in the box lid for old dials to create "an...
The 12-Size follows the same transposed size code for the first two digits as other examples (21). However, the recorded Hampden dial is intriguing because the last two digits would be expected on a Hamilton dial. This is the only code recorded that falls outside of the standard manufacturer...
Agreed. I should clarify that those are not reported serial numbers. The anomalies are derived from a statistical analysis that indicates probable and possible surviving examples within a run based on volume of unique lookups and sequential clustering. Think of it as an adapted histogram for...
That post is from years ago and should be updated accordingly. My current estimates for Grade 91 align with the 350 figure, with the necessary note of unusual anomalies found at #942854 and #942969 (statistical support, not seen or verified).
For the sake of updating the thread, here are the...
With the notable exception of the 12s Hampden dial, the third digit appears to be associated with the manufacturer:
3: Howard (E. Howard and Keystone Howard)
7: South Bend
Shortly after the Ferguson Dial Company was organized by Louis Buck Ferguson, dials were imported in larger batches from an unidentified company in Switzerland.
The back of each dial was marked with the patents issued in various countries and stamped with a large four-digit number to signify...
Correct. The image that Jskirk posted is an advertisement published in the March 1901 issue of The Keystone, referenced here:
Correct. Elgin introduced this line to the market in 1901.
You may be interested in the recent study posted on the "Veritas Model":
...especially William A. Gabriel's beautiful cutaway illustration of the No. 214 that took two years to complete...