The P.R.S. Bubble Viscometer is a vintage scientific instrument used for testing the viscosity of various substances. This collectable item holds historical significance in the field of scientific instruments and is a must-have for collectors of vintage scientific equipment. Its unique design and functionality make it a valuable addition to any laboratory or collection, showcasing the ingenuity of early scientific testing methods.
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There is also a Morse code key on the board. This could also be used with external sounders.
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eBay
Vintage Morton's pocket ophthalmoscope Used NOT TESTED In good condition Please see pictures for more information
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Made by Stanley London, it's signed on the face & the cover'. Stanley, London, No 4044, 1919 '.
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For sale is a remarkably preserved, genuine 1970 first-generation Baader planetarium 2000. Fully Motorized: The internal motor and gear system are fully functional. This unit features the rare and desirable 1970s molded blue base and matching framing arm, giving it a fantastic space-age, mid-century retro aesthetic.
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This vintage antique mini foreign compass is a rare and collectible piece of scientific memorabilia. Crafted from metal, it exudes a sense of old-world charm and nostalgia. Perfect for collectors of scientific instruments or those interested in ancient navigation techniques, this compass captures the essence of a bygone era. Its intricate design and historical significance make it a unique addition to any collection.
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eBay