condition see the pictures please
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Calculator, case and instructions in great condition!
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VINTAGE Vickers Microscope Objective Lens 70/0.70
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Vintage Sun Hemmi Slide Rule - NO.P280
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Troughton and Simms surveyors level in good condition apart from the lens cap has some scratches and the cover is missing .
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Speedivac High Frequency Tester (Model T1) by Edwards High Vacuum Ltd. Fabricated in ~1960s. Device produces a high electrical potential on its probe which you wave over a vacuum tube to inspect for leaks. It has a trembler based coil arrangement within it which is variable via the sliding switch on the handle. It is in very good cosmetic condition for age. Sold as untested.
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Technocrat Technical Drawing Set
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Moving Coil W23.
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