US$ 24.95
this polypropylene graduated cylinder set is Class B-tolerant
measuring period under different loads to isolate mass from weight
Pack of 12 metal lattice support clamps fitting rods up to 12
including sp3
Single Contact Morse Code Key Base_Octagonal this polypropylene graduated cylinder setPlated spring arm with press knob and a single contact stud, configured to make and break a circuit at the rhythm of a Morse code transmission for telegraph history demonstrations.
US$ 24.95
US$ 22.00
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US$ 44.00