Enhanced Optical Bench Set with Lamp Housing Capacity_500mL Two-speed ticker timer kit printing

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

625 inches in diameter

this 40-piece optical bench kit pairs an aluminum track and sliding holders with lamp

Hand-crafted hardwood test tube rack with six 25 mm holes and six drying pins on a single tier

sized to keep electromagnetism demonstrations running when the original coils wear out

Enhanced Optical Bench Set with Lamp Housing Capacity_500mL Two-speed ticker timer kit printingDesigned for comprehensive lens, mirror, and image formation experiments, this enhanced optical bench set ships with a lamp housing and a matched complement of optical components.