WW2 Era British Royal Navy Manual Torpedo Fire Calculator Slide

~ WW2 Era British Royal Navy Manual Torpedo Fire Calculator Slide ~

Made of Bakelite, this device was used to calculate the spread of torpedoes necessary for a successful hit, before

It is marked "Lead In Feet", "Firing Interval In Seconds" and "Speed Of Enemy In Knots".

These were gradually replaced by TBC's (Torpedo Data Computers) from 1940 onwards.

~ Condition ~

The slide is in fair condition with general wear and loss to three of the tips.

~ Dimensions ~

The gauge is 30.5 cm (12 inches) wide by 10 cm (4 inches) deep.

#9754