Ad
related to: battery operated small clock parts for crafts and activities images clip art
Search results
Results from the WOW.Com Content Network
The words "Kit-Cat" were added to the clock's face in 1982. The original clocks were AC-powered, but due to scarcity of American-made AC motors, the clock was redesigned for battery power in the late 1980s. [3] The manufacturer estimates that an average of one clock has been sold every three minutes for the last 50 years. [4]
Telechron—now the "Clock and Timer Division" of GE—declined in the 1950s, mainly because batteries had become much more long-lived and reliable. Battery-powered clocks have the obvious advantage of not depending on the proximity of a power outlet, and do not require the often somewhat unattractive electric cable.
The electric clock was patented in 1840, and electronic clocks were introduced in the 20th century, becoming widespread with the development of small battery-powered semiconductor devices. The timekeeping element in every modern clock is a harmonic oscillator, a physical object that vibrates or oscillates at a particular frequency. [2]
Zamboni's clock had a vertical needle supported by a pivot and was so energy efficient that it could operate on one battery for over 50 years. In 1840, Alexander Bain, a Scottish clock and instrument maker was the first to invent and patent a clock powered by electric current. His original electric clock patent is dated October 10, 1840.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Turns: The "turns" was a small bow-operated lathe used for furbishing parts and for working gear blanks to size. During use, the device was clamped in a vise and the worker held a cutting or polishing tool on a tee-shaped tool rest with one hand, and shifted the bow back and forth to spin the part.
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.
AOL latest headlines, entertainment, sports, articles for business, health and world news.
Ad
related to: battery operated small clock parts for crafts and activities images clip art