Easy to use, compact, designed to work best with Ni-cadmium batteries. Works up to 1000 charges. Charges D. C. AA, AAA in 5 hours, 9 Volts takes 14-16 hours, charges up to 4 batteries of D. C. AA, AAA and 1 Pc of 9 Volt battery at one time. No separate adaptor needed for AAA. With anti-reversal polarity protection system, LED light to indicate charging in progress, charges only rechargeable Ni-Cd, Ni-MH batteries. Size – 185 x 85 x 35 mm.
Category: Physics & Electronic Laboratory Apparatus
Cat. No. Diameter mm. 07.01 3 07.02 6 07.03 9 07.04 12 07.05 16 07.06 19 07.07 25
GEOMETRICAL MODELS WOODEN SOLID
A set of 16 or 21 plane and solid geometric shapes. The plain shapes include triangle, rectangle, square, circle, semi circle, figure with five sides, six sides, eight sides, right angle. Solid figures include triangle, rectangle, cylinder, square, cone, square base pyramid, triangle base pyramid, pentagon, hexagon, octagon, sphere and ellipse. Supplied in a polished wooden box.
Cast iron with levelling screws, with vertical and horizontal holes to accept 13 mm. diameter rods, each hole with a clamping screw. Overall length 240 mm. mass approx. 2.5 Kg.
Set of six perspex geometrical shapes, consisting of one each triangle, square, circle, rectangle, hexagon and octagon.