Ray box, simple, safe and sturdy source of projected light for many classic optics experiments, produces parallel convergent rays across a plane horizontal surface and the rays are intense enough to be traced in natural light. Built in solid aluminum extrusion casing, 100-240V 50/60 Hz
Decade Resistance Box - 4 Decade, Standard Decade Resistance Box, Up To A Total Of 11, 110 Ohms, Resistance Resolution Is At 1, 10, 100, And 1000 Ohms, Decade Resistance Substitution Box Provides 4 Decade Ranges. Each Decade Is Selected With A Rotary Switch
Educational Light Cube (2014), Ages 3+, rugged cube is portable, durable and rechargeable. It even strobes, flashes and changes color with the touch of a button, Includes: 1 cube, 16 x 16 x 16in (40 x 40 x 40 cm), power source, remote control and teacher guide
Decade Resistance Box - 7 Decade, Portable Resistance Box, Built In Solid Metallic Body. Total Vol. 11.111110 Mega Ohms, It Is Built In Solid Metallic Body.Total Value As Well As Individual Values Are Available At All Levels, +/- 1% Tolerance & Are Of 2 Watts
Capacitance Substitution Box, Capacitor Box, Using 1 Rotary Dial With 12 Steps. Various Capacitors Are Selected One By One. Useful For General Purpose Electronic Work. The Unit Has An Easily Selectable Range Of 12 Preferred Capacitors From 100 Pf To 1 Mfd
Magnetizer Box - Bar Magnet, 110/120V AC, 60Hz, Revitalizes iron, nickel, cobalt, and alnico horseshoe and bar magnets in seconds. Simply place magnets in the 25x25 mm holes and press the button to make old magnets new again
Condenser Box, provides differentvalues of Electrolytic capacitors ranging from 1ufd to 4.7ufd, +/- 10% tolerance and, of 63 volts working voltage, Built on 8in x 5in Plastic Box
Light Guide Demonstrator, S Shaped Bar. 220mm X 20mm X 20mm, For Use With Ray Box, 220mm Long, Bottom Of Bar Is White To Aid Visibility, It Helps Students To Understand The Principles Of Optical Communications. The Bottom Of The Bar Is White To Aid Visibility.
light leaper accessory, insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end, When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge flows
Electricity Box, Junior Engineering, has assortment of motors, bulbs, sockets and much more comes in a handy divided utility case, Contains: batteries, battery holders, various bulbs, various sockets, buzzers, motors, switches, and hook-up wire. 117 pcs in total.
Wheel Box, Junior Engineering, has assortment of wheels come in a handy divided utility case, Contains: mdf wheels, plastic dragter wheels, card disk wheels, super wheels, and dowel to be used as axles. There are 401 pcs in all.
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