Name/TitleJohn Valves Going Metric
About this objectNine photocopied foolscap size pages outling the conversion to the metric system in 1973 by John Valves. Includes cartoon illustrations. First page indicates contents.
Place MadeBallarat (Ballaarat)
Inscription and MarksJohn Valves are going metric
MeasurementsL 31.0cm x W 21.0cm
Copyright LicenceAll rights reserved