Philadelphia, United States of America.
Introductory intertitle reads: "Here's the newest of scientific inventions - a machine which has saved many lives by breathing for its patients!"
An artificial lung is demonstrated. Earl Potter (?) is the patient we see being wheeled into the...
Strange look at gears and cogs in close-up.
Soundtrack only; visuals missing.
A farmer tills his field with a new tractor-tiller.
A look at how artificial ice is made in a factory.
A new machine paints the white lines down the middle of the road.
A very large telescope located on the top of a building is demonstrated.
Eggs are checked and graded at factory. Location of events unknown.
An old fashioned sewing machine is compared with a new one.