HEATKEYS

Welded Tube Pros is a North American consulting engineering firm for the welded tube and rollforming industries. Services: laser assisted mill alignments and rebuilding, training. Products: In-Line Gauge Control, Scarf Disposal Systems

A collection of amateur radio construction projects and text files developed by K1QW

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Fast delivery of Custom Rolled aluminum coil since 1915. Small and large custom rolled aluminum orders welcome. All alloys, tempers, custom finishing, metallurgical assistance and samples. Close gauge tolerances to 1/4 commercial.

Aluminum gutter coil, downspouts, elbows, hangers, miters, leaf protection, sealants, fasteners, soffit, fascia, channels, and more!

The Society, founded in 1991, publishes a newsletter and several books about crystal radio. Content: crystal set projects, tips for crystal radio design, and crystal radio / antique radio history.

YouTube is a place to discover, watch, upload and share videos.

TeslaMap is a Tesla coil design program. Get instructions and schematics for Tesla coil design and construction. Learn how to Build a Tesla coil.

Micrometals is committed to supplying high quality, low cost soft magnetic core material to meet the needs of the electronics industry.

GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.

calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers

Free vehicle wiring diagrams and technical information for car stereo, car alarm, electronics installers. Ohm

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.