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This is the minimum subscriber count required for the YouTube Partner Program, which also requires a minimum of 4,000 total viewer watch hours in the past 12 months, plus a manual review of the channel's content to determine compliance with the program guidelines. [11] Bronze was for channels with 10,000 to 99,999 subscribers. [12]
Bianzhong (pronunciation ⓘ) is an ancient Chinese musical instrument consisting of a set of bronze bells, played melodically. China is the earliest country to manufacture and use musical chimes.
Bellfounding is the casting and tuning of large bronze bells in a foundry for use such as in churches, clock towers and public buildings, either to signify the time or an event, or as a musical carillon or chime.
Doorbell mechanism from 1884 in Andrássy Avenue, Budapest Antique mechanically operated shop doorbell on a torsion spring. William Murdoch, a Scottish inventor, installed a number of his own innovations in his house, built in Birmingham in 1817; one of these was a loud doorbell, that worked using a piped system of compressed air. [1]
A Yayoi period dōtaku, 3rd century. Dōtaku are Japanese bells smelted from relatively thin bronze and richly decorated. Dotaku were used for about 400 years, between the second century B.C. and the second century C.E. (corresponding to the end of the Yayoi era), and were nearly only used as decorations for rituals.
Video door phone indoor terminal.. Going a little further in time, we find video door phones featuring a video installation apart from the classical audio. In these cases, the intercom plate has the same structure as the previous version but features a video monitor connected to a surveillance camera that allows inspecting the person who pressed the button and part of the surrounding area.
Archaeologists and others prefer to call it "high-tin bronze", [2] although this broad term is also used for other alloys such as bell metal, which is typically around 20% tin. Large speculum metal mirrors are hard to manufacture, and the alloy is prone to tarnish , requiring frequent re-polishing.
The Hubley Manufacturing Company was first incorporated in 1894 in Lancaster, Pennsylvania by John Hubley. The first Hubley toys appeared in 1909 and were made of cast-iron, with themes that ranged from horse-drawn vehicles and different breeds of dogs, to tractors, steam shovels and guns. [1]