22nd February 1952, Page 41
22nd February 1952
Page 41
Page 41, 22nd February 1952
Close
An Adaptable Snow.
clearing Appliance A SNOW-CLEARING appliance which can be adapted for use in warmer seasons as a grass mower or a street sweeper has been developed by the Federal Snow and......
Cleaning Insulators By High-pressure Jet
A MOBILE unit based on an Autocar chassis has been r - k introduced by the Los Angeles water and power department for cleaning the insulators of overhead electric power-supply......