Page:Popular Science Monthly Volume 92.djvu/869

 Do It by Aid of These Labor-Saving Tools and Maciiines

��This electrically driven centrifu- gal milk sepa- rator is a great help in making tests of butter

����The center pic- ture shows a railway tie with a wood block and asphalt cushion base to take up shocks

��Scales which reg- ister the accurate weight of shells and shrapnel

��The upper cen- ter picture shows a belt conveyor for loading crushed stone, etc., into cars

��The portable ra- dial grinder shown below is used for general light grinding and buffing work

��An inspection bench with gages and devices for careful measurement of artillery shells

����The boring, reaming and facing machine shown at the left does accurate work on automobiles

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