Concave Glass Mirror, 75mm Diameter, 300mm Focal Length Item Type_Density Cubes & Cylinders 75-inch analog-to-digital converter samples and

75-inch analog-to-digital converter samples and quantizes a continuous input into a binary digital output for student visualization

Larger-aperture 75mm lens at a 15cm focal length captures more of a specimen at a glance

46mm copper wire on a 9mm soft-iron U-form core

Emission Control Module - Item # AT-5102

Concave Glass Mirror, 75mm Diameter, 300mm Focal Length Item Type_Density Cubes & Cylinders 75-inch analog-to-digital converter samples andConcave glass mirror, 75mm diameter and 300mm focal length, ~3mm thick, the f 4 curvature stretching the focal throw for projection style image formation and reflector telescope analogues.