lab recording, 11/8/1982, 25°C (position-detection lamp, Racal with B&K 1/2" or 1/4", tape no. R82-1)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith