Browse results

Showing 1-2 of 2 titles

1 Computer Aided Design of the Harrison Single Pivot Grasshopper Escapement Geometry (DVD)

by David Heskin

Format: DVD 54 pages
Published: 21/09/2011

Not in stock

Usually despatched in 2-3 weeks


2 Computer Aided Design of Harrison Twin Pivot and Twin Balance Grasshopper Escapement Geometries (DVD)

by David Heskin

Format: DVD 75 pages
Published: 16/11/2011

Not in stock

Usually despatched in 2-3 weeks