Magnetic Map Compass, Size: 2-1/2inx5-1/2in (60x140mm), for overhead projection, Compact 2in (50mm) diameter compass is graduated from 0 deg to 360 deg in 2 deg increments, has a liquid-filled capsule. For reading of topographical and tourist maps.
Ac Ammeter, meters are mounted in black plastic cases. Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding posts and an external zero-setting screw. Meters are not protected against prolonged or significant overload. Stackable for storage.