Convex Optical Mirror - Glass, 5.9" (150mm) dia. 300mm Focal Length Pack Size_12 Labeled-terminal 50-ohm resistance unit at

Labeled-terminal 50-ohm resistance unit at 7

suitable for securing tubes and flask necks in general laboratory assemblies

chrome metal frame and 75mm aperture pairing wide field of view with moderate magnification for reading tasks

Bicycle dynamo on a 4mm-socket base with a parallel-wired MES lamp and 2

Convex Optical Mirror - Glass, 5.9" (150mm) dia. 300mm Focal Length Pack Size_12 Labeled-terminal 50-ohm resistance unit atOptical Convex Optical Mirror 150mm diameter 300mm Focal Length This round convex glass mirror is designed for physics and educational uses. Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function. Optically worked, silvered back with protective coating. Dia 150mm, focal length 300mm