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An unusual singing bird box by Frères Rochat, ca. 1810. The bird is shown in a tiny cage, not concealed inside the box as usual. A singing bird box (boîte à oiseau chanteur in French) is a box, usually rectangular-shaped, which contains within a miniature automaton singing bird concealed below an oval lid and activated by means of an operating lever.
Clock automata often also use the previous state's input to 'decide' whether or not the next state requires merely changing the hands on the clock, or if a special function is required, such as a mechanical bird popping out of a house like in cuckoo clocks. [72]
Conservation experts advise clocks need to be serviced regularly. A clock is a complex mechanical contraption made of a variety of materials and with many small moving parts. [10] Even under perfect conditions lubricants deteriorate. Clocks should be examined and re-lubricated every three years.
This device was popular among clockmakers to repair the ends of clock hands. Staking tool: An iron vertical plunger was used with an array of stakes for placing rollers and balanced wheels on staffs. Turns: The "turns" was a small bow-operated lathe used for furbishing parts and for working
Mechanical movements get dirty and the lubricants dry up, so they must periodically be disassembled, cleaned, and lubricated. One source recommends servicing intervals of: 3–5 years for watches, 15–20 years for grandfather clocks , 10–15 years for wall or mantel clocks , 15–20 years for anniversary clocks , and 7 years for cuckoo clocks ...
In horology, a wheel train (or just train) is the gear train of a mechanical watch or clock. [1] Although the term is used for other types of gear trains, the long history of mechanical timepieces has created a traditional terminology for their gear trains which is not used in other applications of gears.
Fortnum & Mason's automaton clock on the main facade, Piccadilly Circus. A Cuckoo clock with mechanical automaton that flaps its wing and opens its beak in time to the sound of a Cuckoo's call to indicate the hours on the analogue dial. An early 19th-century illustration [1] of Ctesibius's clepsydra from the 3rd century BC. The hour indicator ...
The Silver Swan is an automaton dating from the 18th century and now housed in the Bowes Museum, Barnard Castle, Teesdale, County Durham, England.It was acquired by John Bowes, the museum's founder, from a Parisian jeweller in 1872.
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