Economical Microscope Slide Viewer engine models displayed on a wooden block

displayed on a wooden block for balance calibration and weighing experiments in the lab

sized for bigger submerged specimens in volume-by-displacement and specific-gravity work

and a replaceable 5W heating coil for 6V 1A powered specific-heat work

Compact dual-range 0-5V and 0-10V moving-coil DC voltmeter at plus-or-minus 2

this pack of 10 iron wire gauze squares measures 6 x 6 inches for supporting beakers and flasks above the burner

Economical Microscope Slide Viewer engine models displayed on a wooden blockEconomical slide viewer projects microscope slides as enlarged images for group viewing without requiring a full microscope setup in teaching environments.