US$ 29.99
Step-down transformer matched to a 35-watt sodium lamp on a 220V AC mains supply
replacing batteries in physics and electronics classroom experiments
and hinge-distance scales
5-inch mounting rod giving 5 inches total length for standard optical-bench setups
75 inches on a swivel boss head that fits rods up to 18mm
Rod-Mount Pulley with Nylon Ball Bearing Subcategory_Racks and Stands Step-down transformer matched to aNylon ball bearing rod mounting pulley with the same frame as the PH0294A aluminum pulley, upgraded to a smoother nylon bearing for reduced friction force and motion investigations.
US$ 29.99
US$ 13.87
US$ 50.00
US$ 11.99
US$ 115.00
US$ 50.00