Elias Greiner Vetter’s son & the story of ‘Ground Pontil’ Marbles Elias Greiner Vetter’s son – The story of ‘Ground Pontil’ Marbles The following material relates to…
Northwood full patent drawings Here are the full patent drawings from the Northwood glass pull-up machine. 1885 GB Patent 2310…
John Northwood 1885 glass pull-up machine patent The ultimate feathering device – pulls in two directions at once. Patented in the UK in…
