The square recoil escapement : a special case /
Aydlett, Guy D.,
The square recoil escapement : a special case / Guy D. Aydlett. - 35 pages : illustrations ; 23 cm
Cover title.
Clock and watch making.
Clocks and watches--Escapements.
Clock and watch making.
Clocks and watches--Escapements.
Clock (general) Recoil Escapement Escapment Science
The square recoil escapement : a special case / Guy D. Aydlett. - 35 pages : illustrations ; 23 cm
Cover title.
Clock and watch making.
Clocks and watches--Escapements.
Clock and watch making.
Clocks and watches--Escapements.
Clock (general) Recoil Escapement Escapment Science