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Boy, is this a gas! Bob Greenwood gets ready to show off freezing and physics at the Ontario Science Centre Sunday
Boy, is this a gas! Bob Greenwood gets ready to show off freezing and physics at the Ontario Science Centre Sunday

Boy, is this a gas! Bob Greenwood gets ready to show off freezing and physics at the Ontario Science Centre Sunday

Date4/30/1985
Format
Notes
Original Toronto Star caption: Boy; is this a gas! Bob Greenwood gets ready to show off freezing and physics at the Ontario Science Centre Sunday. He holds a balloon dipped in firgid liquid nitrogen. As the balloons warms; it expands.
Language
ProvenanceFrom the Toronto Star Archives
Usage Rights Copyright (Learn More)
Copyright HolderToronto Star (Firm)
Call Number / Accession NumberTSPA_0110329F
Physics
9/9/1969