Dietrich Gruen (1847-1911)

Documents

Gruen Military Watches

Gruen Military Watches

View the document »

Diagrams of the VeriThin and Ultra-VeriThin Watches

Diagrams of the VeriThin and Ultra-VeriThin Watches

View the document »

Sign Post at the Entrance of the Gruen Guild Workshops

Sign Post at the Entrance of the Gruen Guild Workshops

View the document »

Gruen Advice to Dealer Repairmen

Gruen Advice to Dealer Repairmen

View the document »

Diagram for Ordering Parts to Repair a “Dietrich Gruen” Pocket Watch

Diagram for Ordering Parts to Repair a “Dietrich Gruen” Pocket Watch

View the document »

J. Walter Thompson Co. House Advertisement

J. Walter Thompson Co. House Advertisement

View the document »

First Advertisement for Gruen Watches

First Advertisement for Gruen Watches

View the document »

Dietrich Gruen, Patent

Dietrich Gruen, Patent

View the document »

TOP