| Country of Origin | United States |
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Check the listing for details. Hickok Electrical Instrument Co Optical Pyrometer Leeds And Northrop. Condition: Used, Made in United States. Listed at 50.00 USD. The Hickok Electrical Instrument Co Optical Pyrometer Leeds And Northrop is a vintage surveying equipment dating back to the 1930s. This optical pyrometer, designed by Leeds and Northrop, is used for measuring high temperatures with precision. The device is a valuable collectible for enthusiasts of science, engineering, and surveying equipment, offering a glimpse into the innovative tools used in these fields during that era. Being sold as is, untested.