Work tables with electric drive, 1937, Prague

The offices of the Prague Central Social Institute were equipped with ascending, descending, moving tables to the left and to the right. This allowed 20 employees instead of 400 earlier to do the same amount of work. The world's largest vertical repository of letters and documents covering an area of ​​400 m² had 3000 pull-out 3-meter boxes, which were also pushed and pushed automatically.