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A report addressing various defects with the Bernzomatic torch products was published in February 2019: United Testing Services Study On February 23, 2012, all fuel cylinders containing MAP/Pro (propylene) and MAPP gas were recalled. Cylinders containing propane fuel were omitted from the recall but under review due to several injuries ...
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.
Torchy, the Battery Boy, was created by Mr Bumbledrop, a lonely old toymaker who spends the majority of his days tending to his garden, where the neighbourhood children play. Torchy has a lamp on his head, and when he pushes a button on his jacket and utters a mysterious phrase, the light illuminates and gives Torchy magical insights.
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.
Oscilloscope OL-1 from 1954, the company's first with a relatively small 3-inch CRT which allowed for a highly competitive price of US$ 29.50 (equivalent to $345 in 2024) for the DIY kit. [1] Heathkit is the brand name of kits and other electronic products produced and marketed by the Heath Company.
Turtle (also called American Turtle) was the world's first submersible vessel with a documented record of use in combat. It was built in 1775 by American David Bushnell as a means of attaching explosive charges to ships in a harbor, for use against the Royal Navy during the American Revolutionary War.
During construction, most of the old Battery Gibson buildings were demolished, and Ellis Island's land size was almost doubled to 6 acres (2.4 ha). [ 97 ] [ 95 ] The main structure was a two-story structure of Georgia Pine , [ 96 ] [ 20 ] which was described in Harper's Weekly as "a latterday watering place hotel" measuring 400 by 150 ft (122 ...
USS Monitor was an ironclad warship built for the United States Navy during the American Civil War and completed in early 1862, the first such ship commissioned by the Navy. [a] Monitor played a central role in the Battle of Hampton Roads on 9 March under the command of Lieutenant John L. Worden, where she fought the casemate ironclad CSS Virginia (built on the hull of the scuttled steam ...