Spectrum Tubes Deuterium, glass tubes approximately 10-1/4in (260mm) long, central capillary portion approximately 3-1/2in to 4in (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps.
Induction Tube Apparatus With 6 Coils, Tube Dimensions (L X D): 1500 X 20 mm, Coil Width: 10 mm, Distance Between Coils: 19 Cm, Due To The Magnet'S Free-Fall Acceleration Caused By Gravity, The Voltage Peaks Increase Proportionally With The Time.
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.
Calculator features arithmetic functions, percent, three-key memory, square root, and floating decimal point. Solar-powered unit can be read in any light. Digit height is 1.9cm (3/4in). Large eight-digit display. Tough ABS plastic case.
Transparent Turbidity Tube, simple apparatus is used to determine the transparency of water in lakes, streams, oceans as well as other bodies of water, Contains: 60cm transparent turbidity tube, rubber stopper with Secchi disc, 20cm silicon tube, Hoffman's clip, steel
Polypropylene vertical pipette stand. The top disc that can be fixed on the rod has holes for holding pipettes while the lower one has pilot holes where the pipette tips rest and liquids drain down to the base
Oversized digit, solar-powered calculator. Performs all arithmetic operations and features memory, percent, and floating decimal point. Jumbo digits and oversized keys make this calculator easy on the eyes and fingers. Supplied with carrying case.
Spectrum Tubes - Sulphur, Length 26Cm, High-Quality Design For Greater Viewing Area, Effectively Demonstrate The Spectral Lines Of Pure Substances, For Use With Spectrum Tube Power Supply