Back to Electric Tabulating System
Home       Donations       Donor List       Contact Us       About Us       Links
    searchYEARS
Click on any of the images below to begin the slideshow. You can pause it at any time using the PAUSE SLIDESHOW button at the bottom left of the picture. You can close the slideshow by using the CLOSE button at the bottom right of the picture.


 image of Front cover of the author's edition of the <i>Electric Tabulating System</i>  image of page 1 of the author's edition of the <i>Electric Tabulating System</i>  image of An image of an early Hollerith punch card as shown in the author's edition of the <i>Electric Tabulating System</i>  image of The Tabulator section of system as shown in the author's edition of the <i>Electric Tabulating System</i>  image of A drawing of he entire System with the tabulator, card reader & sorter as shown in the author's edition of the <i>Electric Tabulating System</i>  image of Another view of just the card reader (left) & a closed sorting box on right as shown in the author's edition of the <i>Electric Tabulating  System</i>.  The tabulator, with its iconic clocklike counters, is not shown.  image of A closeup view of the card reader on its own table as shown in the author's edition of the <i>Electric Tabulating System</i>  image of A schematic drawing of the card reader as shown in the author's edition of the <i>Electric Tabulating System</i>.  Pulling down on the handle would allow the pins to drop through any holes in the card.  The   drawing on the left shows a pin dropping.  image of Last page of the article as shown in the author's edition of the <i>Electric Tabulating System</i>