Slide, Pre-cleaned slides with rounded corners are 75mm x 25mm, 1.0mm to 1.2mm thick, and are packaged in boxes of 72. Made of quality sheet glass, with ground edges.
Single Eye Loupe-Style Magnifier, A high quality Eye Loupe . The 25mm glass lens is mounted in a black plastic loupe. The magnification is 6x with a 51mm focal length.
Sling Psychrometer, to measure relative humidity, Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements, Includes an activity guide with relative humidity calculation table, Requires assembly,pack of 15
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