Analog-Grafik P1 (Pendular Oscillogram)
Print
1970 (made)
1970 (made)
| Artist/Maker | |
| Place of origin |
Herbert Franke made his ‘electronic graphics’ using an analogue computer, a forerunner of the digital computer, and a cathode-ray oscillograph to convert the electronic signals into images. His fellow student, Dr. Franz Raimann, built Franke a simple analogue device that could calculate multiple plane curves. Franke used a cathode-ray oscillograph as his output device. This apparatus had a screen diameter of 5cm and produced blurred lines. To enhance his images Franke darkened the room and moved a camera to and fro to capture the photographic images. In doing so he was able to fan out the line figures. Between 1955 and 1956 he titled his works made using this technique ‘pendular oscillograms’.
The photograph was used as a basis for a transfer to a silkscreen print which was exhibited at the 1970 Venice biennale.
The photograph was used as a basis for a transfer to a silkscreen print which was exhibited at the 1970 Venice biennale.
Object details
| Categories | |
| Object type | |
| Title | Analog-Grafik P1 (Pendular Oscillogram) (assigned by artist) |
| Materials and techniques | Silkscreen print mounted on board |
| Brief description | Black and white silkscreen print from a photograph of an 'Analog-Grafik P1' (Pendular Oscillogram), 1970 (original photograph 1955), by Herbert W. Franke. |
| Physical description | Black and white silkscreen print, mounted on board, from a photograph of an electronic oscillation taken from the screen of a cathode ray tube. |
| Dimensions |
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| Credit line | Given by the Computer Arts Society, supported by System Simulation Ltd, London |
| Object history | Historical significance: This print is after a photograph from a series entitled 'Pendular Oscillograms'. Dating from the mid 1950s, the series demonstrated a pioneering use of machinery in the creation of graphics. The images were achieved by moving the camera across the display screen whilst taking the photograph. |
| Summary | Herbert Franke made his ‘electronic graphics’ using an analogue computer, a forerunner of the digital computer, and a cathode-ray oscillograph to convert the electronic signals into images. His fellow student, Dr. Franz Raimann, built Franke a simple analogue device that could calculate multiple plane curves. Franke used a cathode-ray oscillograph as his output device. This apparatus had a screen diameter of 5cm and produced blurred lines. To enhance his images Franke darkened the room and moved a camera to and fro to capture the photographic images. In doing so he was able to fan out the line figures. Between 1955 and 1956 he titled his works made using this technique ‘pendular oscillograms’. The photograph was used as a basis for a transfer to a silkscreen print which was exhibited at the 1970 Venice biennale. |
| Bibliographic reference | Herzogenrath, Wulf and Nierhoff-Wielk, Barbara, eds. Ex-Machina - Frühe Computergrafik bis 1979. Munich: Deutscher Kunstverlag, 2007. ISBN 978-3-422-06689-2. p.339 (cat. 69), ill. |
| Other number | CAS/A/0038 - Previous owner's number |
| Collection | |
| Accession number | E.122-2008 |
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| Record created | February 18, 2009 |
| Record URL |
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