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History of the manufacturer  

Ohmite Manufacturing Company; Chicago (IL)

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Name: Ohmite Manufacturing Company; Chicago (IL)    (USA)  
Abbreviation: ohmitemanu
Products: Others Brand

Ohmite Manufacturing Company; 636 North Albany Avenue, Chicago, Illinois.

Manufacturer of Rheostats and resistance units.

Also a range of tube type dummy loads.

Founded: 1925

The Ohmite Manufacturing Company started operations in a small shop on the west side of Chicago in 1925. It was founded by David T Siegel. First products were carbon and wire wound resistors In 1953 the company moved to Skokie, Illinois and both offices and works were located there. By 1999 several mergers and take overs had occured and the company left Skokie in 1998, with new works in Matamoros, Mexico. The head office was in Rolling Meadows, Illinois but now located in Warrenville, illinois.. 

Power resistors for industrial, medical. military and aerospace industries are the main products offered and continuous product development is keeping up with high voltage, high current and high energy circuit designs.  

This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
USA  70 Ohm-Ranger 3420   28 switchable resistors. 
USA  60 Rheostat - Potentiometer No. 0331 Series A   Resistance: 8000 ohms Maximum current*: 0.08 amps ... 
USA  60 Type AB Potentiometer CCU-5031   Dual control potentiometer available in different resistances as differentiated by the CCU... 
USA  60 Rheostat - Potentiometer No. 0145 Series A   Resistance: 10 ohms Maximum current*: 1.6 amps ... 


Further details for this manufacturer by the members (rmfiorg):

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