The following are screwdriver examples which I would like to purchase or borrow for study and photographing:
 
 

The Handle may be a different shape, it may have two shifters on opposite sides of barrel, chuck might be different.

This sprial/ratchet screwdriver looks very similar to the basic NORTH BROTHERS MANUFACTURING CO. (YANKEE) No. 30 

 

The maker marks on this tool usually appear around the upper and lower ends of the shifer barrel inside a zig-zag band.

Forest City Ratchet


This automatic drill probably looks very similar to the NORTH BROTHERS MANUFACTURING CO. (YANKEE) No. 40l>

Forest City Automatic Drill

Mallett & Co. - Ratchet Screwdriver 

 

There may be no maker marks on this tool.  

 

There are four different models which bear inscriptions similar to this. I am particularly interested the model which has a single spiral (RH only).
may be no maker marks on this tool.

Bowser & CO. Pat. APPd. /FT. WAYNE IND
   

 

 

This may be the only marking or may have other markings related to Gilbert T. Sutterly 

Single spiral, RH only, interchanagle bit

 

 


 
 

 

 

This is another form of the Sutterly patent above. This may be the only marking or it may have other markings related to Gilbert T. Sutterly, Philadelphia.

Single spiral, RH only, interchanagle bit


 
 

Double spiral/bo-directional, interchanagle bit

 

 
 
 

 

 

 

 

 

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I would appreciate hearing from you via e-mail if you have one of these or any other unusual or early spiral screwdrivers.

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