# 640 17" Jobbacker - French - with footpedal
Job backer 17" jaws -
"ets. roger ledevil - France"
Tightening wheel is threaded left handed.
Foot pedal is used for brnging the jaws close then tighten the hand wheel
set the wheel about 1/2" bigger than book, then depress pedal to lock book in place,
book can than be removed with out adjusting wheel.
Would be very handy in doing edition binding.