Vintage Fischer High Frequency Ammeter Model 441 Thermo Couple Type Chicago

US $660

  • Hudsonville, Michigan, United States
  • Feb 13th
   This is for the ammeter you see here.  Very old, but not sure just how old.  I am not quite sure what this is for, whether it be for a piece of industrial machinery, an automobile, motorcycle, or just what, as I am not the original owner.  Very nice.  Overall dimensions are 4.25" x 4".  I am not sure how it works, and cannot swear that it does work, however, the needle moves freely and easily whenever the piece is moved.  Very sensitive, I believe.  The body seems to me to be a BAKELITE type material.  Not sure what it is.    Please look close and be sure to ask any questions you may have. 
This is for the ammeter you see here. Very old, but not sure just how old. I am not quite sure what this is for, whether it be a piece of industrial machinery, an automobile, motorcycle, or just what. Very nice. Overall dimensions are 4.25" x 4". I am not sure how it works, and cannot swear that it does work, however, the needle moves freely and easily whenever the piece is moved. Very sensitive, I believe. The body seems to me to be a BAKELITE type material. Not sure what it is.
Brand Fischer
Model 441

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