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What medical material was used by Soviet manufacturers of handicraft records? Detailed answer

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What medical material was used by Soviet manufacturers of handicraft records?

In the USSR, old X-rays were widely used to make handicraft records on which illegal music was recorded. They were called "plates on the bones" or "plates on the ribs". This material was free, the medical staff even thanked those who helped unload the archives.

Authors: Jimmy Wales, Larry Sanger

 Random interesting fact from the Great Encyclopedia:

What famous slogan was created based on the last words of a condemned man?

American Gary Gilmore committed several robberies and murders and was sentenced to death in 1977. Before the execution, he was given the right to the last word, and Gilmour said: "Let's Do It" ("Just do it"). Subsequently, this phrase inspired Nike to create the famous slogan "Just Do It".

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Random news from the Archive

Autonics CT Series Multifunctional Counters/Timers 22.05.2015

Meters are used in industrial automation systems and are a complex microprocessor device with support for many functions and the ability to exchange information in industrial networks. Great success in this direction has been achieved by Autonics Corporation, which produces many models of high-precision meters for any needs of the industry.

The multifunctional counters/timers of the updated CT series have more than 800 functions, work through the popular RS000 interface, so they can be programmed and configured via a conventional PC. You can also use the factory default 485-digit digital values. Power contacts are rated for current up to 6 A.

Technical characteristics of the updated series:

- built-in RS485 interface and the ability to configure parameters using a computer and a free software package DAQMaster;
- power of power contacts: 5 A (in older models it was 3 A);
- wide setting of the output pulse time: 0.01...99.99 sec with a step of 10 ms;
- a large number of options for the operation of inputs / outputs;
- factory settings for 4 or 6-digit digital values: 0,001...9999 or 0,00001...999999;
- setting the initial values ​​of the counter and timer;
- Possibility of memory reservation.

Standard Features:

- choice of operating mode: counter/timer;
- built-in 829 728 functions;
- extensive options for scaling parameters;
- counting rate up to 10 kHz;
- PNP- NPN- input operation mode;
- the ability to set the time of automatic on / off;
- Possibility to block control buttons.

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