GIF of a Google Doodle 'Wear a Mask. Save Lives' launched 5 August 2020, showing the individual letters each wearing a mask and moving to be socially distanced from each other. Google Doodle for 5 August 2020 2020-08-05
Spectra Physics Stabilite, model 1205 helium-neon laser, made by Spectra Physics Inc., 1250 West Middlefield Road, Mt. View, California 94042. Serial No. 5160. 490mm long, 80mm wide, 80mm high. With instruction manual. Date of manufacture, 1982. Spectra Physics Stabilite 1982
Laser, helium neon gas laser, Model 155A, 35 mw, made by Spectra-Physics Ltd. Mountain View, California, USA, 1980, used by Martin Richardson in his holographic practice. helium neon gas laser used for holography 1980
