
Loading slide rule for short Sunderland Flying Boat
- Made:
- 1943
Loading slide rule for short Sunderland Flying Boat, c. 1943. (Slide rule sums +VE and -VE effects on centre of gravity of loads in cargo holds and fuel tanks)
Loading slide rule for short Sunderland Flying Boat, c. 1943. (Slide rule sums +VE and -VE effects on centre of gravity of loads in cargo holds and fuel tanks)