Tesla Technology from High Voltage Press
Publishers of Tesla technology: Written/edited by George Trinkaus: Tesla Coil, Son of Tesla Coil, Tesla's Lost Inventions, Radio Tesla, The True Wireless. Also Magnetic Amplifiers, another lost technology.
http://www.teslapress.com

Jonathon's Tesla Coil Website
Specs and Pictures of my Tesla Coils, along with information on the operation of Tesla Coils. Links to other good informational Tesla Coil sites are included.
http://hot-streamer.com/jonathon

Tesla Memorial Society of New York
Works to spread knowledge of Tesla. Includes links to other Tesla organizations.
http://www.teslasociety.com/

Jenco Instruments
Jenco Instruments is an ISO9001 certified manufacturer of water quality meters and instruments such as pH meters, ORP meters, conductivity meters, TDS meters, dissolved oxygen meters, ion meters and temperature meters
http://www.jencoi.com

Elmetron
Oferujemy wysokiej jako¶ci przyrz±dy pomiarowe do pomiarów fizyko-chemicznych. pH-metry, konduktometry, jonometry, tlenomierze, termometry, wilgotno¶ciomierze do powietrza oraz grubo¶ciomierze
http://elmetron.com.pl/

FRER S.r.l.
FRER e' stata fondata nel 1980 con l'ambizione di costruire prodotti elettronici ai massimi livelli di affidabilita' e di fornirli ai propri Clienti tramite un servizio pre e post-vendita ineccepibile ed ineguagliabile.
http://www.frer.it/

Elmetron
Manufacturer of high quality pH meters, conductivity meters, ion meters, thermometers, humidity meters and thickness gauges.
http://www.elmetron.com.pl/ang

Divicom Inc.
Divicom sells surplus flowmeters flow meter Smith Brooks Daniel and metering skids for oil Terminals and Pipelines
http://www.oilmeter.com/

JR's Tesla Project
Construction of Medium sized Tesla coil. Mostly pictures.
http://www.geocities.com/MotorCity/Boulevard/8409/tesla.html

Tesla Systems Research
Tesla Systems Research is a leading manufacturer of Tesla Coil systems and other high-voltage electrical equipment used in educational demonstrations, special effects, and research. Our products are on display in museums and universities worldwide.
http://www.teslasystems.com/