http://whitneyannetrettien.com/whiki/index.php?action=history&feed=atom&title=Herman_Hollerith 2026-04-29T18:11:35Z Revision history for this page on the wiki MediaWiki 1.38.1 http://whitneyannetrettien.com/whiki/index.php?title=Herman_Hollerith&diff=4572&oldid=prev 2022-03-26T20:48:39Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:48, 26 March 2022</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l22">Line 22:</td> <td colspan="2" class="diff-lineno">Line 22:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>1924: Thomas Watson changes the company's name to International Business Machines Corporation Inc, or IBM</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>1924: Thomas Watson changes the company's name to International Business Machines Corporation Inc, or IBM</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">1930s: 400 series of punched-card machines, including 405 Electric Accounting Machine; by 1935 IBM dominated with 85% market share in US for tabulation machines ([[Essinger 2004]], 189)</ins></div></td></tr> </table>

Wtrettien http://whitneyannetrettien.com/whiki/index.php?title=Herman_Hollerith&diff=4571&oldid=prev 2022-03-26T20:45:57Z

<p>Created page with &quot;== Timeline == 1860, February 29: Hollerith born in Buffalo, NY 1875: transferred to the Columbia School of Mines 1879: graduated 1882: convinced problem of census could b...&quot;</p> <p><b>New page</b></p><div>== Timeline ==<br /> <br /> 1860, February 29: Hollerith born in Buffalo, NY<br /> <br /> 1875: transferred to the Columbia School of Mines<br /> <br /> 1879: graduated<br /> <br /> 1882: convinced problem of census could be solved by mechanical means; MIT offers him post as instructor in mechanical engineering<br /> <br /> 1884: first patent, covering &quot;the invention of a machine that represented information by a double row of holes punched across the width of a roll of narrow paper&quot; ([[Essinger 2004]], 163)<br /> <br /> 1896, December 3: Hollerith organized his ventures into Tabulating Machine Company<br /> <br /> 1900: starts calling his automatic machines &quot;tabulators&quot;<br /> <br /> 1907: tabulator &quot;fitted with ingenious elctromagnetic printing mechanisms so that the user would be presented with a printed document incorporating the totals from each operation&quot; ([[Essinger 2004]], 171)<br /> <br /> 1911, July 5: Charles Ranlegh Flint orgnizes a merger of the Computing Scale Company, International Time Recording Company, the Bundy Manufacturing Company, and Hollerith's Tabulating Machine Company, now all called the Computing-Tabulating-Recording Company, or C-T-R<br /> <br /> 1914, Decemeber 15: Hollerith resigns the board, Thomas Watson takes over<br /> <br /> 1924: Thomas Watson changes the company's name to International Business Machines Corporation Inc, or IBM</div>

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