Obsolete Technology: Turntables
Turntables, also known as phonographs, gramophones, or record players, were introduced in 1877 and were invented by Thomas Edison.
Turntables were used for the recording and reproduction of sound recordings. The recordings played on such a device consist of waveforms that are engraved onto a rotating cylinder or disc. As the cylinder or disc rotates, a stylus or needle traces the waveforms and vibrates to reproduce the recorded sound waves.
Turntables and record albums continue to be manufactured and sold today, although in small numbers. The turntable largely became obsolete after the introduction of the compact disc in 1982.
Questions for geocachers:
Do you remember the turntable? Do you still have one in your home? (We have two of them actually). What was the first record you ever bought? (Mine was 'Hi Infidelity', by REO Speedwagon, in 1980).
Note: This cache was placed in Jonathan Dickinson State Park as part of Cacheapalooza 8, with permission of Martin Morse, Park Service Specialist. If you park anywhere in JDSP, make sure all your tires are off the pavement and you are not blocking any gates. Be sure to obey all posted speed limits.