Search results
Results from the WOW.Com Content Network
The Western Electric model 500 telephone series was the standard domestic desk telephone set issued by the Bell System in North America from 1950 through the 1984 Bell System divestiture. The successor to the model 302 telephone , the model 500's modular construction compared to previous types simplified manufacture and repair and facilitated a ...
Shop-Vac, also known as Shop-Vac Corporation, is an American wet/dry vacuum manufacturer headquartered in Williamsport, Pennsylvania. Currently, Shop-Vac is owned by Hangzhou GreatStar Industrial and shares a facility with SK Hand Tools .
The most widely used form is the interrupter bell, which is a mechanical bell that produces a continuous sound when current is applied. See animation, above. The bell or gong (B), which is often in the shape of a cup or half-sphere, is struck by a spring-loaded arm (A) with a metal ball on the end called a clapper, actuated by an electromagnet ...
Conceived years after the 1949 introduction of the model 500, the model 5302 essentially was a 302 telephone under a new cover. It was introduced to reuse the existing large stock of parts from the pre-WWII era 302 model in the refurbishing plants as those were replaced with 500 series sets, while providing the modern style elements of the 500 ...
Model 500 telephone, a model manufactured by Western Electric This page was last edited on 14 February 2023, at 20:00 (UTC). Text is available under the Creative ...
Doorbell mechanism from 1884 in Andrássy Avenue, Budapest Antique mechanically operated shop doorbell on a torsion spring. William Murdoch, a Scottish inventor, installed a number of his own innovations in his house, built in Birmingham in 1817; one of these was a loud doorbell, that worked using a piped system of compressed air. [1]
Starting in the late 1940s the carpet cleaning floor nozzle with the brush roller could be removed, and the 1948 owners manual for the Model 508 called it the "Triple-Cushion Vibrator", [12] which was powered by a removable rubber belt that was in contact with a metal shaft extending from the vacuum turbine blades, powered by the electric motor ...
Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.