Semi-Automatic Slide Projector

Total 505 gm ,Comprising 1 mass of 200 gm, 2 masses of 100 gm, 1 mass of 50 gm, 1 mass of 20 gm, 2 masses of 10 gm, 2 masses of 5 gm, 2 masses of 2 gm, 1 mass of 1 gm. In box

With effective scale lengths of nearly 9″, Rotary scales offer greater accuracy than linear scales. All balances are graduated in gram/Newton. Dial: 3″ diameter metal suspension ring at top and hook at bottom.