duplicate of an Aero Ektachrome film 4×5 photographic negative “6 21 58 dup 1143” etched into upper margin “oscilloscope by Laposky” etched into right margin “1143 dup” etched into lower margin Laposky used a cathode ray oscilloscope with sine wave generators and various other electrical and electronic circuits to create abstract art. These electrical vibrations shown […]

duplicate of an Aero Ektachrome film 4×5 photographic negative “6 21 58 dup 1082” etched into upper margin “oscilloscope by Laposky” etched into right margin “1082 dup” etched into lower margin Laposky used a cathode ray oscilloscope with sine wave generators and various other electrical and electronic circuits to create abstract art. These electrical vibrations shown […]

duplicate of an Aero Ektachrome film 4×5 photographic negative “9 3 58 dup no.1058” etched into upper margin “oscilloscope by Laposky” etched into right margin “99 1058 dup” etched into lower margin Laposky used a cathode ray oscilloscope with sine wave generators and various other electrical and electronic circuits to create abstract art. These electrical vibrations […]

duplicate of an Aero Ektachrome film 4×5 photographic negative “4 7 59 dup 1001” etched into upper margin “oscilloscope by Laposky” etched into right margin “1001 dup” etched into lower margin Laposky used a cathode ray oscilloscope with sine wave generators and various other electrical and electronic circuits to create abstract art. These electrical vibrations shown […]