Molecular Modelling set, Basic Inorganic and Organic Chemistry, Hard plastic case, Standard size, Consists of 54 balls of various colours and 24 links, 64 Pieces, Carbon-12, Hydrogen-24, Oxygen-6, Nitrogen-6, Chlorine-2, Sulphur-2, Bromine-1, Iodine-1
Solenoid Air Cored Diameter 50 mm 270 Turns Wire 1.25 mm In Diameter. Max. Current : 6A Power Supply On 2 Safety Sockets. Length 370 mm, Square Plaques At The Ends Of The Solenoid Have An Indentation Enabling To Easily And Immediately Position It On The Guiding-Support.
Oscillating Reaction- The Traffic Light kit, Includes: 1x10 g Sodium Hydroxide, Beads UN1823, 1x0.5g Indigo Carmine, makes 50ml, 5x5 g Dextrose (Glucose), A flask containing a yellow solution gently swirled and the solution turns red
Ring And Ball, Mounted On Separate Handle Ball, Dia. 22mm, Consists Of A Brass Ball And A Brass Ring, Each Individually Mounted On Brass Rods With Wooden Handles.
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 18 mm
Basic St. Louis Motor, Useful In Demonstrating The Operations Of A Dc Motor, Consisting Of A Two-Pole Armature Mounted Between Magnets. Steel Supports Are Mounted On A Ridged Plastic Base. Operates On 3 To 6 V Dc.