The offices of the Central Social Institution of Prague with the largest vertical letter file in the world, 1937.

It’s amazing to think that in 1937 the offices of the Central Social Institution of Prague housed the largest vertical letter file in the world. In an age before computers and digital storage, this was an impressive feat and testament to the hard work and dedication of the staff in the institution. It’s a reminder of how far we have come in terms of technology and how much we have been able to achieve. The offices of the Central Social Institution of Prague with the largest vertical letter file in the world, 1937. részletei…

Workers using keypunches at Baltimore Social Security Office, Baltimore, USA, 1965.

In 1965, the Baltimore Social Security Office employed workers to manually enter data into computers using a keypunch machine. Keypunch machines enabled data to be inputted into computers by punching holes into cards. These cards were then read into the computers, creating a digital record of the information. The use of keypunch machines was a laborious process and required a great deal of accuracy and attention to detail. Workers had to carefully align the cards with the machine and manually type out the letters and numbers. This was a time-consuming process and it was essential that the data was inputted … Workers using keypunches at Baltimore Social Security Office, Baltimore, USA, 1965. részletei…