US$ 16600.00
focal length 300mm
Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur
this mechanical stopwatch reads to one-fifth of a second on an analog dial
Millimeter-graduated 15cm Hooke's-Law scale on a 30cm support rod
Plain End Single Cone Adapter, 10/19, 4.5 inch Shank, Borosilicate Glass Item Type_Mug focal length 300mmPlain end single cone adapter in borosilicate glass features 10 19 cone with 4. 5 inch shaft for connecting apparatus to flexible tubing or open vessels.
US$ 16600.00
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