Ring & Ball

Vernier Calipers Digital • Hardened Stainless Steel construction, bright LCD display. • Easy push button Metric English conversion. • Operates on one 1.5V silver oxide battery (included). • Automatic shut off. • 0-150mm x 0.01 mm / 6 inches x 0.0005 In. • Comes complete with foam lined sturdy case, and instructions.

Spherometer Laboratory • Brass dial head 40 mm diameter, mounted on stainless steel screw. • Head divided into 100 divisions, reading to 0.01 mm and registering on vertical scale 10-0-10. • Frame with three legs of stainless steel. • Distance between two legs is 40 mm approximately. • Pitch 1mm.

Made from iron shaft with slots painted in black color. Hanger and Mass each of 500 gm. Total weight 2.5 kg. Hanger and Mass each of 1 kg. Total weight 5 kg.

Polished brass, in hardwood case with hinged lid. Divided compartment with dust cover holds nickel-silver and aluminum fractions. With chrome plated brass forceps. Capacity 1 mg to 100gm. Capacity 1 mg to 200gm. Capacity 1 mg to 500gm. Capacity 1 mg to 1000gm. Capacity 1 mg to 2000gm.