Set of Springs

Screw Gauge Micrometer Demonstration • About 200 mm long, made of aluminum. • Black spray painted individually packed. • Measurements are approximate

Micrometer Screw Gauge • Strong rugged metal construction. • Economical, suitable for all uses, teaching, demonstration, labs, machine shops. • Measuring screw handle, Satin finish with friction knurling for easy rotation. • With locking mechanism to hold measurements. • 25 x 1 mm, reads to 0.01 mm. • Supplied with hex wrench for zero adjustment and plastic case for storage.

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.

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.