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A dyno torch, dynamo torch, or squeeze flashlight is a flashlight or pocket torch which generates energy via a flywheel. The user repeatedly squeezes a handle to spin a flywheel inside the flashlight, attached to a small generator/dynamo, supplying electric current to an incandescent bulb or light-emitting diode. The flashlight must be pumped ...
A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.
A flashlight or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb , but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.
Bushnell Corporation is an American firm that specializes in sporting optics and outdoor products. It is based in Overland Park, Kansas and is a wholly-owned subsidiary of Vista Outdoor . Bushnell makes binoculars , telescopes , spotting scopes , riflescopes , red dot sights , GPS devices , laser rangefinders , game cameras , night-vision ...
Vaughan & Bushnell Manufacturing, also known as Vaughan Manufacturing and branded as simply Vaughan, is an American manufacturing company that specializes in the production of hammers, axes, prybars, and hand saws. The company produces more than 250 different kinds of hammers.
Applications for this battery were limited by the high prices of titanium and the unpleasant scent that the reaction produced. [2] Today's lithium-ion battery, modeled after the Whittingham attempt by Akira Yoshino, was first developed in 1985. Tonnes of lithium and income generated from Australian lithium mining and exportation over the recent ...
Torchy the Battery Boy is a British children's puppet television series, the second to be produced by AP Films (APF), which first aired on the ITV network between 1959 and 1961. Created and written by author Roberta Leigh , it had music by Barry Gray , art direction by Reg Hill and special effects by Derek Meddings .
Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...