Now officially greenlit, Holman Projectors were manufactured at the Camborne Works, a huge mining equipment factory in Cornwall, England, and installed on thousands of ships.

The potato launcher, a beloved spud-flinging project for DIY tinkerers everywhere, is grandfather to most non-lethal gas-propelled armaments, like the paintball gun and the crowd-pleasing T-Shirt ...

Now this a beauty, a Holman Projector, a steel tube 2" diameter and 30" long. The idea was to hold a grenade, pull the pin and drop the grenade into the tube - now to fire the grenade into the air ...

The potato launcher, a beloved spud-flinging project for DIY tinkerers everywhere, is grandfather to most non-lethal gas-propelled armaments, like the paintball gun and the crowd-pleasing T-Shirt ...

The potato launcher, a beloved spud-flinging project for DIY tinkerers everywhere, is grandfather to most non-lethal gas-propelled armaments, like the paintball gun and the crowd-pleasing T-Shirt ...