Dip Needle

Description

Cylindrical shape, Chrome Steel, half Red / Blue 10 mm dia in Pairs Cylinderical Magnet Size are mentions below which we have :- 50 mm 75 mm 100 mm

Description

For demonstrating that some metals are magnetic whilst others are not and for general ‘Metal Identification’ exercises. Comprises sixteen discs, 25 mm. diameter 2 each of Mild Steel, Stainless Steel, Brass, Zinc, Nickel, Silver, Bronze, Aluminium and copper. One of each is stamped with the name of metal. the other is unmarked.

Description

Economy chrome steel horseshoe magnet with keepers Shaped Magnet Alnico (Pair) Size are mentions below which we have :- 50 mm 75 mm 100 mm

Description

A former with terminals and engraved circle marked 0 – 180° – 0 figured every 45°, wound with 30 turns of insulated copper wire, complete with a magnetic needle 75 mm long and a pivot for the needle.