Speed & Power Shipbuilding Slide Rule
A specialist slide rule for calculating speed and power of a steamship, stamped for Yarrow & Co Ltd Glasgow, Engineers & Shipbuilders. Another unstamped one is also in the museum.
Tag: slide rule
Explosive Testing Slide Rules
A pair of slide rules – one in wood, one in plastic – used to compare the power of various explosives, tested on a device called a ballistic pendulum. From Nobel’s Explosives, Ayrshire.
Nuclear Weapon Effects Computers
A couple of circular slide rule calculators, used to work out the damage, casualties and exposure effects from nuclear weapons. Dating from the 1960s, these were probably used by the Royal Observer Corps.