Pulley Bench Clamp Fitting, With Nylon Ball Bearing Pulley, Comprising A 50 mm Diameter, Carried On A Two Part Aluminium Frame, Designed Primarily For Clamping To The Edge Of A Bench, Table Etc. With The Pulley Overhanging The Edge And In A Vertical Plane, 110mm
Wave Apparatus - Plastic, Demonstrate Longitudinal And Transverse Waves, Advanced Apparatus Demonstrates Both Longitudinal And Transverse Wave Motions. Consisting Of A Number Of Eccentric Discs Supporting A Series Of Metal Rods Revolving On A Handle
Pulley Plastic Ball Bearing Tandem, Double, Two Low Friction, Ball Bearing Plastic Pulleys With Diameters Of 38 And 50 mm, One (1) High Quality, Double Plastic Pulley In Tandem, On An Open Sided Steel Frame, With Hooks At Each End Carrying Two Low Friction