Hartley's Rotatable Optical Disc Material_Muslin brain anatomy

brain anatomy

this analog DC microammeter measures 0-100uA at 2uA resolution on a tabletop housing

a step up from the 70mm model with extended pole separation that gives field-mapping experiments more room along the magnet axis

5 inches producing 50-60 dots per second via a vibrating striker

Hard-plastic 13x13-inch Worcester circuit board with 12 metal poles and 4 banana terminals

Hartley's Rotatable Optical Disc Material_Muslin brain anatomy230mm disc graduated 0 360 degrees in 1 degree steps locks in any position alongside a rotatable lamp house and six magnetic acrylic elements for full ray tracing studies of reflection and refraction.