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PO Box 716, Amherst, NH 03031-0716

Toroidal Terminals
Updated  06/01/09

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Spherical Metallic Terminals

toroids, terminals We now can supply you with spherical metallic terminals for your projects. Not only do these pieces offer aethestic value they also provide an amount of capacitance for enhancing the output of Tesla coils and supply the surfaces necessary for reducing leakage in high voltage dc sources. All have 3/8" mounting holes (not threaded). Download here for other available sizes up to 65 inches!!
SHP4STEEL - 4" Steel Spheroid, Good Up To 140 kv...................$9.95
SHP2BRASS - 2" Steel Spheroid, Good Up To 70 kv....................$9.95

Toroids

Our laboratory has the tooling and now offers many sizes of toroidal terminals from 8 to 98". These are spun aluminum and with a welded seam on sizes above 12" Excellent for Tesla coils requiring a capacitive terminal and high voltage dc generators up to 1.5 million volts. Download here for other available sizes up to 98 inches!
toroids, toroidal terminals For coils up to 250Kv
TO8 - 8"x 2" with ¼" Center Hole...........................$59.95

For coils up to 500Kv
TO12 - 12" x 3" with ¼" Center Hole......................$79.95

For coils up to 750Kv
TO18 - 18" x 4.5" with 1/4" Ctr Hole.....................$239.95

For coils up to 850Kv
TO20 - 20" x 5" with 1/4" Ctr Hole........................$325.95

For coils up to 1Mev
TO24 - 24" x 6" Welded with ½" Center Hole.........$399.95

For coils over 1 Mev
TO30 - 30" x 7" Welded with ½" Center Hole.........$525.95

Quantity discounts available. Contact us for other sizes.

big toroid
Oblate Terminal

Aluminum Oblate Terminal

We now can offer the high voltage researcher a 7 inch (18 cm) aluminum oblate terminal that can support voltages up to 250,000, and a 14-inch terminal that supports up to 500,000 volts. The 7" oblate has a 2" hole (14" oblate is 3-3/4") for mounting onto an insulated column and can be used for the collector terminal of a small Van de Graaff generator. Note some have a minor dent that will not impair operation but may be removed for aesthetics.

OBLATE7 - Aluminum Oblate Terminal 7" Sphere ...............................$29.95

Quantity
  OBLATE14 - Aluminum Oblate Terminal 14" Sphere .....$249.95
3+ @ $199.95ea.
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Orders: 603-673-6493 | Fax: 603-672-5406 | Inquiries: Email Contact

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PO Box 716, Amherst, NH 03031-0716