Description

suspending thermometers above hot plates or fixing specimens in orientation

Grips burettes

separation

a 12V LED source on a US plug

Plus-or-minus 2

Rectangular Refraction Glass Block, 75 x 50 x 18mm Lab Supplies_Classroom suspending thermometers above hot platesPairs a 75 by 50mm face with a thicker 18mm body on a rectangular glass refraction block, the optically worked beveled edges widening the visible lateral shift in refraction angle demos.

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Rectangular Refraction Glass Block, 75 x 50 x 18mm Lab Supplies_Classroom suspending thermometers above hot plates

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