6-Piece Optical Lens Set, 1.5", Double Convex and Double Concave Lab Equipment_Power Supplies each foam-protected in a wooden

each foam-protected in a wooden case with frequencies labeled

Teclu burner runs on natural gas with needle valve flame adjustment to produce a high-temperature

25-inch frame with draining pins for post-wash inversion and drying

5-degree-resolution turntable ship in a polished wooden case for advanced spectrometric work

Ten unmounted 3 by 2-inch plane glass mirrors at approximate dimensions

6-Piece Optical Lens Set, 1.5", Double Convex and Double Concave Lab Equipment_Power Supplies each foam-protected in a woodenSix piece 1. 5 inch optical lens set with three double convex and three double concave lenses at 200mm, 300mm, and 500mm focal lengths for comparing converging and diverging behaviors.