US$ 11.99
Holds 50mm-diameter lenses upright on a free-standing wooden base
Educational variant of the 4
image formation
dropping into the Worcester Circuit Board Kit for telegraph work
Class B Beaded Rim Volumetric Flask, 25mL, Single Graduation, Borosilicate Glass Lab Equipment_Lab Burners Holds 50mm-diameter lenses upright onClass B volumetric flask in borosilicate 3. 3 glass holds 25mL with beaded rim and single graduation for general purpose volumetric measurement.
US$ 11.99
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US$ 11.99