Vintage / Antique Potentiometer by Leeds & Northrup Co. Medical Equipment I don't know how old this is but I think Circa 20's, nor do I know what it does. ((( For International Shipping Please Con

 

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Theodolite- is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes

 

Original Keuffel & Esser Planimeter in original box. Germany. Posted with eBay Mobile

 

these were found at an estate.some are used but should be very useful please review photos and feel free to ask questions.

 

You are bidding on a 8 1/2"x 11" color photo of Peabody Coal Company's 5561 Marion Shovel at their Will Scarlet coal mine mining in Illinois. THE WORD SAMPLE WILL NOT BE ON THE PHOTO$2.25 shipping, US

 

AllentownJim Store 1967 Pickett Fisher Controls Universal Valve Sizing Rule side Rule w case manual. Please see photos.

 

VERMONT COMFORTMETER Conant Custom Brass/Division of Weems & Path This auction is for a brand new in the box Vermont Portable Comfortmeter which monitors temperature and humidity while featuring t

 

Vintage 1920s Cameron Vitrohm Potential Adjuster Surgical Light in very good working and looking condition. Meant for use in medical and dental applications. Constant light source with internal lenses