Originally Posted by
DT Fletcher
Hoff is Danish.
At the intro of chap three, Hoff explains how he came to use the term "strike pump."
'Systematically different from the bellows gun is a type which is generally called a spring gun, where the momentary air pressure is created by a spring-propelled piston rushing forward in a pump-cylinder. The term spring gun is rather unsatisfactory as it ought to indicate a gun where the projectile is expelled by the direct action of a spring. In the following, the gun with spring-propelled piston will, therefore, be called strike-pump gun.'