Nylon Cleaning Brush, 9.25" - Fan Shaped End - 0.5" Diameter Human Anatomy_Human Anatomy Models securing a thermometer to any

securing a thermometer to any support rod at the angle needed for hands-free temperature monitoring during an experiment

Set of eight steel tuning forks tuned to scientific pitch (C4 = 256 Hz) for classroom work on sound waves

Hand-operated vacuum pump with a 200mm copper pump plate and rubber seal

designed for image-formation and focal-length investigation

transparent housing revealing the hydropower conversion inside the casing

Nylon Cleaning Brush, 9.25" - Fan Shaped End - 0.5" Diameter Human Anatomy_Human Anatomy Models securing a thermometer to anySemi stiff nylon bristle brush on a twisted stainless steel wire handle, sized for cleaning narrow diameter tubes, bottles, and cylinders during glassware care.