Description
75 by 3 inch wooden block for physics coursework
this insulated wire pairs a 2mm plug with a crocodile clip to keep polarity color-coded in small-scale circuit work
and color-mixing activities
combining protective gripping with angular adjustment on one piece
Concave Glass Mirror, 50mm Diameter, 75mm Focal Length Mechanics_Kinematics 75 by 3 inch woodenSteeply curved concave glass mirror at 50mm aperture and 75mm focal length, the f 1. 5 ratio favoring intense convergence demos and short throw real image formation work.
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