uid air, which can now be easily produced by the meters in diameter and 10 meters long another pipe is shown in the accompanying illustration. It con- of the same length, but only half the diameter, and Linde process. The following is the method pursued sists in fastening cutters to the rims of the… … eighteen hundred linear feet in forty tion of this air he will obtain a cooling minutes when the thermometer was be- of the gasoline which may be maintained CUTTING ASPHALT WITH STEAM ROLLER. constant if the flow of liquid air is suit- low freezing. Obviously this is a very cheap and simple method…
Patents · Radium · Mechanical · Construction · Device · Liquid air · Scientific American · Sliding pole · Sheet metal · American february · Small quantity · Carbonic acid · Ten months · Steel frame · Third track
Internet Archive · Public domain (published before 1931). Free to use for anything.
