where are these ID plates for ??

[Edwin]

where are these ID plates for ??

Cheers

Edwin

[Edwin]

2

[orgona]

Hello,

on my opinion these plates are from a fire control calculator.
These are the instructions for changing the drums for tropical, winter
and normal areas. The drums are with different curves for different
balistic calculations.

Christian

[Edwin]

Hello,

on my opinion these plates are from a fire control calculator.
These are the instructions for changing the drums for tropical, winter
and normal areas. The drums are with different curves for different
balistic calculations.

Christian

Thanks for the info Christian
Anybody has a period photo on this device ?

cheers

Edwin