Determine the Model ID of a Standard Terry-Type Movement (Model 5) - Step by Step

Based on Snowden Taylor's Chart of Terry-type 30-hour Shelf Clock Movements
Images courtesy of Pat Hagans (click on images to view full size)
 
Click on the or any value in the row just below the slanted queries.
Number of Possible Matching Model IDs:  [matches are listed when number found <= 15]
XXXXXXXXXXXXXXXXXXXXXX
1. Strike wire arbors centered?
2. Figure 8 hole size and type?
3. Direction of count wheel wire?
4. Escape wheel bridge shape
5. Frontstrike wire pivot material ?
6. Verge pin button shape?
7. Access holes size?
8. Square hour shaft?
9. Strike wires rings or cups?
10. Wind arbors rings or cups?
Model ID Maker(s) Known Users More Info Image
  1. Are the strike wire arbors centered with respect to the access holes?
Questions whether the strike wire arbors are centered (approximately) with respect to the centerline of the upper left access hole.

Copyright Cog Counters NAWCC Chapter #194