Offering a full line of standard products, plus private-labeled and contract manufacturing services to the science-education distributor.

Bright-Line Spectrum Tubes Power Supplies: Spectrum Tube-AC/DC Vacuum Demonstration Tubes Magnetizers Induction Coils: Contact-Type-Solid-State Dissectible Coils and Transformers

Spectrum Tube Power Supply

Model SP-200 We have specially designed the Model SP-200 Spectrum Tube Power Supply to operate our bright-line spectrum tubes, which are known worldwide for their clarity of image. We make 18 standard spectrum tubes and many specials on request. Air Argon Gas Bromine Vapor Carbonic Acid Carbon Dioxide Chlorine Gas Deuterium Helium Gas Hydrogen Gas Iodine Vapor Krypton Mercury Vapor Neon Gas Nitrogen Gas Oxygen Gas Water Vapor Xenon

Spectrum Tube Power Supply Features:

• Tube sockets fully enclose the ends of the tube for full safety
• Spring-loaded sockets for secure fit of the tube
• Specially designed current-limiting transformer assures long-life for the tubes
• Uses rugged all-metal case with ON/OFF Switch and Pilot Light

Model 28000

• Remagnetizes cobalt alloy and iron horseshoe and bar magnets
• Saves costly magnet replacement
• Instructions printed on the metal case
• With ON/OFF Switch and Push Button to magnetize
• Complete with set of keepers

Model ID-300ST 1/2 to 3 in. spark
Model ID-200ST 1/2 to 2 in. spark

Current-limited induction coils operated from the power line. No contacts to wear out. With Reverse Polarity, Power Adjust, ON/OFF Switch, and clearly marked terminals. Operates Crookes and other discharge tubes made by Electro-Technic.

Also choose from four different models of standard induction coils, with spark lengths of 1/2 to 6 in.

Model 9115 (above)
Model 4001 and Model 4002 Dual Station for PSSC Experiments

We make a full range of laboratory power supplies and transformers. All are made to be completely safe for student use, with circuit protection, and ample operating ranges. Choose from over 15 different types, from basic models to operate electromagnets, to filtered, regulated models for electronic circuitry.

These and other fine Electro-Technic educational products are available only through your favorite educational dealer. Call, write, or FAX us today for a list of these dealers.