[AndyGilham]

Ian
I have 3 instrument bearing the Model 7 or Model 40 motif.

1. Model 7 with 'Model 7' motif panel. 7129-3427 (December 1939)

2. Model 40 with 'Model 40' motif panel. 4486-541 (May 1941)

3. Model D with 'Model 40' motif panel. 1269-1141.1949 (November 1941)
The move,ment looks to have been repaired or replacement in 1949 (Penciled on rear of scale)
This Model D variants is marked 10A/10610 on the rear instruction plate, but 10S/10610 on the scaleplate.

Andy