(Link to file on SoundCloud)
This is the musical sound of “16 typewriters, 18 calculator machines, 8 accounting machines, 12 office perforators, 10 caisses enregistreuses, 8 humidificateurs-colleurs, 8 tele-scripteurs, 2 metronomes, 4 bells of signalisation, 2 entrance door gongs, 10 claxons, 16 telephones, 40 experimental signal receptors, 1 fork lift, a duplicator and a monte-charge” and it was recorded in 1964. Freakin’ amazing!
(via The Atlantic)