Changeset 95 in t29-www for en


Ignore:
Timestamp:
Jul 9, 2009, 7:16:28 PM (15 years ago)
Author:
heribert
Message:

Zahlenanpassungen auf der englischen Site durch Heribert

Location:
en
Files:
2 edited

Legend:

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Added
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  • en/computer/electron-tubes.shtm

    r15 r95  
    3131    development of broadcast engineering in the 1920/30s.
    3232    <br/>The first electronic desk calculator in the world (1962) is a real milestone. The
    33     modern-looking monster features 190 electron tubes and belongs consequently to the first
     33    modern-looking monster features 144 electron tubes and belongs consequently to the first
    3434    generation of calculators. It has a wonderful glowing display. However, the
    3535    tube based computer can only compute with the four basic arithmetic operations and
  • en/devices/anita.shtm

    r31 r95  
    4949    <p>
    5050        The upper circuit board contains a ring counter. The gas-filled thyratrons are very small. This
    51         was the only way to place approx. 190 pices into a manageable case. These relay tubes
     51        was the only way to place approx. 144 pices into a manageable case. These relay tubes
    5252        have only two states like mechanical relays.
    5353        Additionally there are 11 vacuum tubes (ECC 82, left side) built into the calculator.
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