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The Vintage BRL Blundell Rules Limited slide rule is a rare piece from the United Kingdom, dating back to the period of 1951 to present. Made from durable plastic, this engineering and surveying tool is a classic accessory for those who appreciate precision calculation. The slide rule comes with its original case, adding to its charm as a collectible item for enthusiasts of vintage technology.
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【Easy to Use】It contains 5 prepared biology microscope slides. It is the ideal mini pocket microscope kit for science lab education!
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This 1960's Henry Browne & Son Ltd. Of Barking aneroid barometer is a collectable scientific instrument, This Sestrel model is designed to be used on ships made of brass and has bevelled crystal glass Calibrated and ready to use, this barometer was manufactured in the United Kingdom during the early to mid-20th century. Ideal for collectors or those interested in historical scientific instruments, this piece offers a glimpse into the technology and craftsmanship of the time period. The diameter of the base is 20.4 cm the dial with beveled crystal glass is 15cm and finally the depth is 7.5cm Excellent condition of this instrument
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New in original box.
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Maybe for the Military. Not sure what it does or if it work.
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