![Lever watch with pin-pallet escapement, dial, case and movement marked ´Roskopf Patent, Swiss made´. The German watchmaker Georges-Frederic Roskopf (1... - SuperStock Lever watch with pin-pallet escapement, dial, case and movement marked ´Roskopf Patent, Swiss made´. The German watchmaker Georges-Frederic Roskopf (1... - SuperStock](https://cdn.superstock.com/1895/Comp/1895-17529.webp)
Lever watch with pin-pallet escapement, dial, case and movement marked ´Roskopf Patent, Swiss made´. The German watchmaker Georges-Frederic Roskopf (1... - SuperStock
![Runaway Escapements: (a) Pallet with Flat Pallet Faces, (b) Pallet with... | Download Scientific Diagram Runaway Escapements: (a) Pallet with Flat Pallet Faces, (b) Pallet with... | Download Scientific Diagram](https://www.researchgate.net/publication/350789163/figure/fig3/AS:1011105837096960@1618077825315/Runaway-Escapements-a-Pallet-with-Flat-Pallet-Faces-b-Pallet-with-Pin-Pallets.jpg)
Runaway Escapements: (a) Pallet with Flat Pallet Faces, (b) Pallet with... | Download Scientific Diagram
![The Pin-Pallet Escapement. Adjustment and Repair by Porter, Robert: Very Good Soft cover (1987) 1st Edition. | Ken Jackson The Pin-Pallet Escapement. Adjustment and Repair by Porter, Robert: Very Good Soft cover (1987) 1st Edition. | Ken Jackson](https://pictures.abebooks.com/inventory/16369998713.jpg)