The pin-pallet escapement : adjustment and repair /
Porter, Robert D.,
The pin-pallet escapement : adjustment and repair / by Robert Porter. - [2nd edition]. - 44 pages : illustrations ; 28 cm
Cover title.
Clocks and watches--Escapements.
Clocks and watches--Escapements.
Repair Pin pallet Escapement adjust Watch (general)
The pin-pallet escapement : adjustment and repair / by Robert Porter. - [2nd edition]. - 44 pages : illustrations ; 28 cm
Cover title.
Clocks and watches--Escapements.
Clocks and watches--Escapements.
Repair Pin pallet Escapement adjust Watch (general)