Pseudo-Isochromatic Plates for Testing Color Perception (Revised Selection) American Optical Company Copr. 1940 Eighteen different plates for testing color blindness. Minus some minor scuffing to the corners of the spine, this book is is excellent condition. Comes in original box, which is scuffed and damaged but still in one piece. Message for more pictures. Sold AS IS
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The set includes nine different scales, each representing a different level of precision and accuracy.
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The slide consists of two glass plates, on that the image is applied to and a second to protect the image. The slide normally has a inner paper border and then the slide is then held together with edging paper.
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VINTAGE MAHOGANY CASED TECHNICAL DRAWING SET.
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Please check all pictures before bidding, the Compass will need re-magnetising, I have made no attempt to do it as don't want to damage it, it is hit and miss finding North so will definitely need doing, exactly the same compass sold for £350 on etsy so know the worth, so please no silly offers
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The Vintage Tasco Deluxe Student Microscope in Wood Case is a sought-after collectible piece that offers a touch of nostalgia combined with a sense of scientific history. Made in the United States, this microscope is a genuine vintage treasure for enthusiasts of vintage microscopes or those interested in scientific instruments from the past. With its classic design and sturdy wood case, this microscope is not only a valuable piece for collectors but also a functional tool for scientific study or educational purposes.
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