US$ 75.00
Pairs a 100mm aperture with a 20cm focal length for the lowest magnification in the chrome-framed reading-magnifier line
Aluminum-cased 4-inch plotting compass with a glass face
suspended from 37
Liquid propane Bunsen burner adds a flame stabilizer and adjustable air vent for consistent
Round Convex Glass Mirror, 4" Diameter Subcategory_Filtration Equipment Pairs a 100mm aperture withRound convex glass mirror for physics optics experiments in reflection, focal length determination, and image formation with curved reflecting surfaces.
US$ 75.00
US$ 245.00
US$ 224.50
US$ 275.00
US$ 215.00
US$ 117.85
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