We will now, with our improved drawing instruments, resume the consideration of the ratchet-tooth lever escapement.
"Watch and Clock Escapements" by Anonymous
In some cases hauling tackle is used, in others power is applied by levers and ratchets to the rollers on which the girders travel.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
A ratchet release lever hooked its end under a ring on Rawson's hand and pinched the flesh.
"Two Thousand Miles Below" by Charles Willard Diffin
Pressing upon this same lever releases the ratchets and injects the blade.
"Bloodletting Instruments in the National Museum of History and Technology" by Audrey Davis