3) Portable Potentiometer in sturdy  mahogany case (latches and hinges in good shape) Slight  shrinkage separation ( not split)  in lid.

Instrument has D.C. galvanometer by Ripley  and is signed by the Triplett Electrical

Instrument Company, Ohio                      

                                                                              $75.

 

 

Always the Unusual

Copyright Duncan Robert Antiques 2012.  E&O E.

 1)  Superb  near mint  large (length 18”) Potentiometer. Leeds & Northrup. Glass    vernier intact              $225.

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2) Two  wooden cased galvanometers  by Gambrell Bros. Limited on  adjustable plinths

  (one restored)  Height 10¼ “ c. 1900.

         Attractive and in nice condition   

 

                                                    $275.each

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Electrical, Potentiometers, Galvanometers