Collection search - Shadowgraph, taken with 25 nanosecond spark, is a 'picture of sound', showing shock waves from a supersonic jet. Lateral view of jet, showing shock waves at sound frequency 85 kHz
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Record information – Brief 
Shadowgraph, taken with 25 nanosecond spark, is a 'picture of sound', showing shock waves from a supersonic jet. Lateral view of jet, showing shock waves at sound frequency 85 kHz
Hierarchical level:ItemDate:1974Type of material:PhotographsFound in:Archives / Collections and FondsItem ID number:3256204Context of this record: -
Record information – Details Date(s):1974Place:Ottawa, Ont.,Place of creation:No place, unknown, or undeterminedExtent:1 photograph
Negative Film B/W - cellulose acetate (safety film)Language of material:EnglishAdditional name(s):Additional information:Source:Private -
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