File:BabbageDifferenceEngine.jpg
Summary
Part of <a href="https://en.wikipedia.org/wiki/Charles_Babbage" class="extiw" title="en:Charles Babbage">Charles Babbage</a>'s <a href="https://en.wikipedia.org/wiki/Difference_Engine" class="extiw" title="en:Difference Engine">Difference Engine</a> assembled after his death by Babbage's son, using parts found in his laboratory.
The brass parts were machined by the toolmaker <a href="https://en.wikipedia.org/wiki/Joseph_Clement" class="extiw" title="en:Joseph Clement">Joseph Clement</a>. Babbage never completed his difference engine, partly due to problems with friction and machining accuracy, but also because he kept changing the design. <a href="https://en.wikipedia.org/wiki/Henry_Provost_Babbage" class="extiw" title="en:Henry Provost Babbage">Henry Provost Babbage</a> inherited the pieces following his father's death in <a href="//commons.wikimedia.org/wiki/1871" class="mw-redirect" title="1871">1871</a>, and some years later in <a href="//commons.wikimedia.org/wiki/1879" class="mw-redirect" title="1879">1879</a> he assembled several working sections of the full machine. Possibly as many as seven assembled sections exist.
This portion, in the <a href="https://en.wikipedia.org/wiki/Whipple_Museum" class="extiw" title="en:Whipple Museum">Whipple Museum</a> of the History of Science of the <a href="https://en.wikipedia.org/wiki/University_of_Cambridge" class="extiw" title="en:University of Cambridge">University of Cambridge</a>, demonstrates how the addition and carry mechanism works.
In the photograph, part of the left hand side is obscured by reflections from the glass display case.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:08, 5 January 2017 | | 800 × 589 (327 KB) | 127.0.0.1 (talk) | Part of <a href="https://en.wikipedia.org/wiki/Charles_Babbage" class="extiw" title="en:Charles Babbage">Charles Babbage</a>'s <a href="https://en.wikipedia.org/wiki/Difference_Engine" class="extiw" title="en:Difference Engine">Difference Engine</a> assembled after his death by Babbage's son, using parts found in his laboratory. <p>The brass parts were machined by the toolmaker <a href="https://en.wikipedia.org/wiki/Joseph_Clement" class="extiw" title="en:Joseph Clement">Joseph Clement</a>. Babbage never completed his difference engine, partly due to problems with friction and machining accuracy, but also because he kept changing the design. <a href="https://en.wikipedia.org/wiki/Henry_Provost_Babbage" class="extiw" title="en:Henry Provost Babbage">Henry Provost Babbage</a> inherited the pieces following his father's death in <a href="//commons.wikimedia.org/wiki/1871" class="mw-redirect" title="1871">1871</a>, and some years later in <a href="//commons.wikimedia.org/wiki/1879" class="mw-redirect" title="1879">1879</a> he assembled several working sections of the full machine. Possibly as many as seven assembled sections exist. </p> <p>This portion, in the <a href="https://en.wikipedia.org/wiki/Whipple_Museum" class="extiw" title="en:Whipple Museum">Whipple Museum</a> of the History of Science of the <a href="https://en.wikipedia.org/wiki/University_of_Cambridge" class="extiw" title="en:University of Cambridge">University of Cambridge</a>, demonstrates how the addition and carry mechanism works. </p> In the photograph, part of the left hand side is obscured by reflections from the glass display case. |
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