Antique Wetzler Patented "9" Clamp, Made In Germany Opening Vert. 12" & Depth 7" For Sale

Antique Wetzler Patented "9" Clamp, Made In Germany, Opening Vert. 12" & Depth 7". The clamp is used and works correctly. The handle has 1 stress fracture at bottom of the wood but still works properly, the hand screw threads are undamaged. The vertical bar ribbing has no defects. The last 3 pictures will refrence the previous statements. The clamp was made in Germany prior to the DRGM patents of 1928 & does not have made in Germany stamp. This clamp is considered first generation "F" clamp made between 1920 to pre 1928. Typical surface scratches, patina and/or rust may be visible. Please refer to the pictures for more clarification.