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in 1896 hollerith started his own business when he founded the "tabulating machine company".
Ο Χόλεριθ στη συνέχεια άρχισε δική του επιχείρηση το 1896, την "tabulating machine company".
in 1911 four corporations, including hollerith's firm, merged to form the computing tabulating recording company (ctr).
Το 1911, τέσσερις εταιρείες, συμπεριλαμβανομένης της εταιρείας του Χόλεριθ, συνενώθηκαν και αποτέλεσαν την computing tabulating recording corporation (ctr).
==electrical tabulation of data==at the urging of john shaw billings, hollerith developed a mechanism using electrical connections to trigger a counter, recording information.
Μετά από παρότρυνση του john shaw billings, ο Χόλεριθ ανέπτυξε ένα μηχανισμό χρησιμοποιώντας ηλεκτρικές συνδέσεις για τη λειτουργία ενός μετρητή που κατέγραφε πληροφορίες.
==notes====further reading====external links==* hollerith's patents from 1889:* hollerith's 1890 census tabulator* ibm archives: herman hollerith* ibm archives: tabulating machine co. plant* early office museum: punched card tabulating machines* hollerith page at the national hall of fame* map to his gravesite* columbia university computing history: herman hollerith* the norwegian historical data center: census 1900 includes a description of the use of hollerith machines ("complicated, american enumeration machines"), together with illustrations.
* Διάτρητη κάρτα* computer history museum: hollerith 1889 patent* ibm archives: herman hollerith* ibm archives: tabulating machine co. plant* early office museum: punched card tabulating machines* hollerith page at the national hall of fame* map to his gravesite* columbia university computing history: herman hollerith* the norwegian historical data center: census 1900 Περιλαμβάνει περιγραφή της χρήσης των μηχανών του Χόλεριθ, με εικόνες.