Nikola Tesla in his 60s adjusting a radio device in his lab in New York City. Like most significant inventions, radio had not just one âfather,â but many. British mathematician James Clerk Maxwell first proved the existence of radio waves mathematically in 1864.
Cutting with Rotary Tools. Rotary tools are the most widely used method for cutting composite laminates. Whether you are cutting carbon fiber sheet or a fiberglass hull, there is usually a rotary tool just right for the job. Rotary cutting tools vary from small handheld rotary tools, like a Dremel or pneumatic rotary, to routers and even angle grinders.
Black Iron Pipe when used with RIDGID Standard Press Tools and Viega MegaPress Fittings. Press Snapâ¢ Soil Pipe Cutter The Press Snap Soil Pipe Cutter expands the capabilities of RIDGID Standard Press Tools by providing a fast and easy way to cut cast iron soil pipe. Without lengthy lever arms used by traditional soil pipe cutters, improved access is a snap. RIDGID.COM Rings for ProPress Rings for ProPress permit access in tighter spaces and serve as an excellent complement to your RIDGIDÂ® jaw sets. The swivel actuator allows a press tool to be placed +/- 90 degrees to the tube being pressed for Â½ - 2 connections. MegaPress Â®, ProPress and Viega are registered trademarks of Viega GmbH &Co. PureFlowÂ® and XL-CÂ® are registered trademarks of Viega LLC.