It was a double-action apparatus, made entirely of bamboo, except the pistons, which were of feathers.
A double-action force-pump is seen in Fig. 177, making an upward stroke.
The double-action feature in a revolver is of very little practical value.
I do not like a double-action revolver, except for a pocket one, as it cannot do accurate shooting when cocking with the trigger.
It was a wall mill equipped with a glass-front metal hopper and employing a ratchet spring-lock nut and double-action grinders.
One double-action folding machine will fold fifty sheets in a minute.
That is, the hammer would have traveled back all the way, whether it was cocked or fired in a double-action manner.
Even in rapid-fire shooting better results are obtained with a double-action arm if used as a single action.
The powerful, double-action pumps quickly ejected the water-ballast.
"Seems like what does get out by the chinks is sucked back agin by that there double-action flue," said Sam.