Henry Beckman

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<strong>Quelle:</strong> - This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner <a href="https://www.wikidata.org/wiki/Q83878501" class="extiw" title="d:Q83878501"><span title="regional digital library in the United States, and service hub for DPLA">PA Digital</span></a>.<span style="text-align:left"> <ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/br86b4380">Record in source catalog</a></li> <li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/8bfdf9b09c887d95b8ab93801c94c065">8bfdf9b09c887d95b8ab93801c94c065</a></li> <li>Science History Institute identifier: padig:SHI-br86b4380</li></ul></span>

<strong>Quelle:</strong> - This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner <a href="https://www.wikidata.org/wiki/Q83878501" class="extiw" title="d:Q83878501"><span title="regional digital library in the United States, and service hub for DPLA">PA Digital</span></a>.<span style="text-align:left"> <ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/br86b4380">Record in source catalog</a></li> <li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/8bfdf9b09c887d95b8ab93801c94c065">8bfdf9b09c887d95b8ab93801c94c065</a></li> <li>Science History Institute identifier: padig:SHI-br86b4380</li></ul></span>

<strong>Quelle:</strong> - This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner <a href="https://www.wikidata.org/wiki/Q83878501" class="extiw" title="d:Q83878501"><span title="regional digital library in the United States, and service hub for DPLA">PA Digital</span></a>.<span style="text-align:left"> <ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/br86b4380">Record in source catalog</a></li> <li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/8bfdf9b09c887d95b8ab93801c94c065">8bfdf9b09c887d95b8ab93801c94c065</a></li> <li>Science History Institute identifier: padig:SHI-br86b4380</li></ul></span>

<strong>Quelle:</strong> - This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner <a href="https://www.wikidata.org/wiki/Q83878501" class="extiw" title="d:Q83878501"><span title="regional digital library in the United States, and service hub for DPLA">PA Digital</span></a>.<span style="text-align:left"> <ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/br86b4380">Record in source catalog</a></li> <li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/8bfdf9b09c887d95b8ab93801c94c065">8bfdf9b09c887d95b8ab93801c94c065</a></li> <li>Science History Institute identifier: padig:SHI-br86b4380</li></ul></span>

<strong>Quelle:</strong> - This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner <a href="https://www.wikidata.org/wiki/Q83878501" class="extiw" title="d:Q83878501"><span title="regional digital library in the United States, and service hub for DPLA">PA Digital</span></a>.<span style="text-align:left"> <ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/br86b4380">Record in source catalog</a></li> <li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/8bfdf9b09c887d95b8ab93801c94c065">8bfdf9b09c887d95b8ab93801c94c065</a></li> <li>Science History Institute identifier: padig:SHI-br86b4380</li></ul></span>

<strong>Quelle:</strong> - This file was contributed to Wikimedia Commons by <a href="https://en.wikipedia.org/wiki/en:Science_History_Institute" class="extiw" title="w:en:Science History Institute"><span title="library, museum, and archive in Philadelphia, United States">Science History Institute</span></a> as part of a cooperation project. The donation was facilitated by the <a href="https://en.wikipedia.org/wiki/Digital_Public_Library_of_America" class="extiw" title="w:Digital Public Library of America">Digital Public Library of America</a>, via its partner <a href="https://www.wikidata.org/wiki/Q83878501" class="extiw" title="d:Q83878501"><span title="regional digital library in the United States, and service hub for DPLA">PA Digital</span></a>.<span style="text-align:left"> <ul><li><a rel="nofollow" class="external text" href="https://digital.sciencehistory.org/works/br86b4380">Record in source catalog</a></li> <li>DPLA identifier: <a rel="nofollow" class="external text" href="https://dp.la/item/8bfdf9b09c887d95b8ab93801c94c065">8bfdf9b09c887d95b8ab93801c94c065</a></li> <li>Science History Institute identifier: padig:SHI-br86b4380</li></ul></span>