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N.A. 1.2, mounted with adjustable iris diaphragm.
Brass weights in a carrying rack.
Aluminium tubular balance, with zero adjustment. Scales are both in grams and Newton. With upper & lower suspension hooks, graduation on inner tube.
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.
Brass, plated.
