Maryland State Police motorcycle patrolmen at their post, with sign "Maryland State Police - Substation A". A police patrolman notices a moving violation by a motorist and gets on his motorcycle to pursue. The police officer pulls over the motorist and is seen writing a ticket for the woman driver in the car. A police officer on foot stands at a busy intersection and gives hand commands to control traffic at a bend on highway. Winter time views show a a big snow plow as it removes snow from highways during winters. Many 1920's and 1930's automobiles, including cars, trucks, and buses are seen on American roads and highways. A car passes on a bridge. Cars drive on a four lane. Next scene shows the Statue of Liberty as seen up close from an approaching boat. Final scene shows Bandmaster and United States Marine Corps band as they play. The conductor turns and takes a bow.
Dramatization: Calcium arsenates spray to combat Boll Weevils in United States. A man addresses the people about the correct use of poison at the Deer Park. He says that only calcium arsenate should be used for the purpose. A man picks some calcium arsenate from a barrel and shows it to people. Men stand near barrels full of calcium arsenate. He puts a sample in a box, wraps it and sends it for its examination to the Government laboratory in Tallulah, La. Chemist determines the composition and fluffiness of the sample. Test glass tubes on the table. The grains studied under microscope and the chemist reports the result showing the certificate.
Manufacturing of ordnance in United States by war production workers early in World War 2. A sign outside a building reads 'Watervliet Arsenal: drive slow' Men at work inside the arsenal. Artillery hoisted in a sling lowered to be piled up inside the arsenal. Artillery lowered and piled up. Pile of artillery.
A 16 inch gun being fired in Aberdeen, Maryland. The huge gun with West Point cadets in the foreground. Soldiers load the gun, and fire it. Cadets immediately run to and climb atop the gun. The cadets walk on the barrel of the gun. They peep through holes in steel plates. Cadets completely cover the gun as they pose for a photograph. The Cadet seated on top the gun barrel, nearest its opening, waves his hat inside the barrel.
T L Smith welcomes District Rotarians to 34th Conference in Hagerstown, Maryland. Delegates from various districts come out of a building. Penn Glee club wins cup presented by Chairman Danzer.
Measures for the eradication of marine borer in Maryland, United States. The anti fouling paint on the barnacle affects the accumulation of ship plates. U.S. destroyer 116 at harbor. Men stand near the ship. Marine borer grow on the ship. U.S. destroyer 116 at sea. Smoke arises from the stacks of the ship. Marine borer grow on the hub of the starboard propeller. Man watches a ship plate destroyed by the marine borer, painted with a normal paint. The Chemical Warfare Service makes an anti fouling paint to protect the pilings. The paint is applied on the ship plate and man watches the ship plate.
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