-
) Los resultados de las máquinas tabuladoras
tenían que llevarse al corriente por medios manuales, hasta que en 1919 la Computing-Tabulating-R
Want to make a timeline like this?
Use Timetoast to turn dates, events, milestones, and phases into a clear visual timeline you can build and share. Timetoast is a timeline maker for work, school, research, and stories.