![]() The next development in accuracy occurred after 1656 with the invention of the pendulum clock by Christiaan Huygens. During the 15th and 16th centuries, clockmaking flourished. Spring-driven clocks appeared during the 15th century. Watches and other timepieces that can be carried on one's person are usually not referred to as clocks. This distinction is not generally made any longer. Traditionally, in horology (the study of timekeeping), the term clock was used for a striking clock, while a clock that did not strike the hours audibly was called a timepiece. A major advance occurred with the invention of the verge escapement, which made possible the first mechanical clocks around 1300 in Europe, which kept time with oscillating timekeepers like balance wheels. Water clocks, along with sundials, are possibly the oldest time-measuring instruments. There is a range of duration timers, a well-known example being the hourglass. Some predecessors to the modern clock may be considered "clocks" that are based on movement in nature: A sundial shows the time by displaying the position of a shadow on a flat surface. Devices operating on several physical processes have been used over the millennia. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year. The Shepherd Gate Clock at the Royal Observatory, Greenwich Digital flip clock radio 24-hour clock face in FlorenceĪ clock or chronometer is a device used to measure and indicate time. For other uses, see Timepiece (disambiguation). ![]() It is solely up to theĮnd user to decide that the information and files offered here are accurate and fit for use with their equipment.For other uses, see Clock (disambiguation). ![]() There is no guarantee of the accuracy of any information offered. The data and files offered here are from vintage sources that are no longer published. I stock over 500,000 schematics for hundreds of manufacturers.Įach radio schematic is digitized individually and checked to provide the clearest diagram possible from the original printing. The files offered here are digitized in high resolution from the original factory service documents. GE Factory Schematics - Models/Chassis Available:įor GE Service Manuals see the GE Service Manual section.įor more GE schematics see the Basic Schematics section. General Electric Factory Schematics 1946 -1961 It normally takes up to 24 hours to receive the download instructions via email but please allow 1 - 2 business days. If you still can't find your model or chassis contact me for availability. If your model or chassis is not listed below, full GE radio service manuals can be found for most 1930 through 1950s GE models here.įor basic schematics for General Electric models not listed below you can also check the Basic Schematics section. They are scanned in high resolution directly from the original GE Factory Radio Service Guides. These files contain the schematic and parts list published by General Electric for service technicians. These are General Electric (U.S.A) schematics with parts lists for GE radio models manufactured in the U.S. General Electric Factory Schematics 1946 - 1965
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