US$ 24.99
Compact 38mm acrylic six-piece lens set covering convex
sized to power electrolysis
Mid-size 75 x 12 x 15mm Alnico horseshoe with poles clearly indicated and a keeper to bridge the gap during storage
Three-range digital lux meter reading 100
Precision Spectrometer Capacity_150mL Compact 38mm acrylic six-piece lensTwo vernier readout on a 127mm degree plate resolves to 1 arcminute, while 32mm telescope and collimator apertures and rack and pinion focusing support precise prism and grating spectrometry.
US$ 24.99
US$ 34.99
US$ 34.99
US$ 19.99
US$ 17.95
US$ 17.95
US$ 17.95
US$ 19.99
US$ 24.99
US$ 39.99
US$ 17.95
US$ 39.99
US$ 34.99