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A lance rest (French: arrêt de cuirasse or arrêt) is a metal flange or hook that is typically attached to the right side of a breastplate, just under the armpit. The lance rest appeared in the late 14th century , remaining in use until the use of full plate armour and heavy lances became obsolete for general use in the late 16th and early ...
The telegraph keys or telephone dial creates trains of on-off current pulses corresponding to the digits 1–9, and 0 (which sends 10 pulses). This equipment originally consisted of two telegraph keys engaged by knife switches, and evolved into the rotary dial telephone. The central office switching equipment has a two-motion stepping switch. A ...
A Western Electric desk stand telephone of the 1920s and 30s. The candlestick telephone (or pole telephone) is a style of telephone that was common from the late 1890s to the 1940s. A candlestick telephone is also often referred to as a desk stand, an upright, or a stick phone. Candlestick telephones featured a mouthpiece (transmitter) mounted ...
1882: A telephone company—an American Bell Telephone Company affiliate—is set up in Mexico City. 14 May 1883: The Adelaide exchange was opened, with 48 subscribers. [15] 7 September 1883: The Port Adelaide exchange was opened, with 21 subscribers. [15] 4 September 1884: Opening of telephone service between New York and Boston (235 miles). [23]
In 1936, the hangup-type hand telephone set was redesigned as the type G handset mounting to produce the 211 anti-sidetone telephone, as well as a series of other types (212, 213, 214) for special service modifications. This type of telephone set was produced well into the 1970s, and is often colloquially referred to as a space-saver telephone.
More than 33,000 Amazon shoppers swear the Restcloud helped ease their neck pain. One chronic neck pain sufferer calls this pillow "life-changing." They added, "I'm in shock at how well I feel ...
Staples from one manufacturer may or may not fit another manufacturer's unit even if they look similar and serve the same purpose. Staples are often described as X/Y (e.g. 24/6 or 26/6), where the first number X is the gauge of the wire , and the second number Y is the length of the shank (leg) in millimeters. Some exceptions to this rule ...
Secure Terminal Equipment (STE) is the U.S. government's current (as of 2008), encrypted telephone communications system for wired or "landline" communications. STE is designed to use ISDN telephone lines which offer higher speeds of up to 128 kbit/s and are all digital.
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