Magnetometer Compass   (MG-3031)

A small magnetic needle having 100 mm needle at right angle in a tough plastic case. Cord marked with points of the compass and degrees. Can be used in magnetometer experiments.

Mariner's Compass   (MG-3032)

Magnetic needle in Aluminium bowl with gimbals w polished wooden box with sliding cover, dia 75 mm approx.

Mariner's Compass   (MG-3033)

Same as but on aluminium stand, dia 50mm,

Deflection Magnetometer   (MG-3034)

Compass box fitted on polished wooden base made of non-wrapping wood with meter scale alongside its length. Compass box is removable.

Vibration Magnetometer   (MG-3035)

This is used to compare the magnetic moments of magnets and to determine moment of inertia. It consists of a box with glass doors. The top of case is slotted and carries a glass tube fitted with a simple torsion head to support a stirrup to carry magnets etc. etc. The base of the box is marked with longitudinal index line. Supplied complete with one each 50 and 100 mm bar magnets aad one each 50 and 100 mm brass bars.

Magnetic Needles   (MG-3036)

Carbon steel with brass cup bearing for pivoting, accurately balanced
Length (a) 5 cm (b) 7.5 cm (c) 10 cms

Magnetic Needles   (MG-3037)

Same as above with jewel bearing for pivoting Length,
(a) 5 cm (b) 7.5 cm (c) 10 cms

Stand For Magnetic Needle   (MG-3038)

Plastic base with non magnetic pillar supporting a steel needle pivot without needle.

Stand for Magnetic Needle   (MG-3039)

Same as but with Aluminum base.

Magnetic Needle Stand   (MG-3040)

With wooden base 70 x 70 mm and 12 mm dia wooden pillar supporting a steel pivot. Overall height 100 mm.

Dip Needle   (MG-3041)

With Cobalt steel needle, 10 cm long, graduated quadrant fully rotatable on metal base, divided at 45° .

Dip Needle   (MG-3042)

With steel needle 10cm long on jewelled bearings, with circular metal scale, 13cm dia. and anti parallex mirror, both rotatable about vertical axis. Aluminium base 15cm dia. marked at four quadrants. Complete with extra needle dimensionally identical to first but un-magnetised.

Dip Needle, Precision Type   (MG-3043)

An accurately balanced magnetic needle strongly magnetised is fitted with hardened steel pivot marking in jewels cup bearings. The needle can be easily removed for reversal. The inclination scale is chrome brass graduated in degrees 0-90º four times. The case is made of non-magnetic steel alloy, deco painted, has easily removable plate glass window and rotates fully on a heavy brass base, its rotation can be measured by a brass chrome dial reading 0- 360º. Itis fitted with leveling screw and spirit level.

Magnetising and Demagnetising Coil   (MG-3044)

For demonstrating the procedures, but also useful for remagnetising old magnets, compass needles and for general use as a powerful electromagnet. It comprises a solenoid wound with insulated copper wire and mounted on a base complete with switch and 4 mm terminals. Solenoid 250 x 35 mm length x diameter. Operating voltage 12 V a.c. or d.c. at 6 A. Magnetising possible by a.c. or d.c. However, De-magnetising can be accomplished by a.c. only.

Demagnetising Solenoid   (MG-3045)

Solenoid is wound with 250 turns of heavy gauge enameled copper wire on insulating bobbin 80 x 19 mm (length x I. D.) to take 2 A for a period upto 30 min will be able to accept rectangular magnets of cross section upto 15 x 6 mm, fitted with 4 mm sockets.