School students visit the Metropolitan Police Department at the Henry J. Daly Building (previously known as the Municipal Center) at 300 Indiana Avenue, NW, Washington D.C. A school bus pulls in front of the Henry J. Daly Building. A police officer welcomes students dressed in prep school uniforms upon arrival. The guide shows the students a fingerprint card and notes, “So, you can see it is very important to stay out of trouble. A single foolish act may follow you for the rest of your life.” Students raise their hands to volunteer for a fingerprint taking. A teenage boy wearing a plaid jacket has his fingerprints taken by a police officer.
A teenager smoking in a parking lot, accompanied by a girlfriend. Teenager opens car door and steals a bag before walking away with his girlfriend. View of punch time clock in guard shack. A line chart showing the number of “Petty Larceny” cases committed each day of the week. Line chart showing the number of “Auto Theft” cases committed for each month, peaking in November. A line chart, with an analog clock beside it, illustrating the number of burglary cases committed for every hour of a day. A line chart, with an analog clock beside it, illustrating the number of “Preventable Crime” cases committed for every hour of a day.
Training film showing different kinds of rebreather (or Oxygen Breathing Apparatus) used in mine rescues. Models show four types of rebreathers approved by the United States Bureau of Mines- Paul, Gibbs, Fleuss-Davis, and MC CAA. A man points to different parts of the rebreather- such as an oxygen bottle, reducing valve, regenerator, and by-pass valve. Men pump oxygen bottles before using the Oxygen Breathing Apparatus. An oxygen bottle is installed in Oxygen Breathing Apparatus. Men charge the regenerator with chemicals to absorb carbon dioxide from exhaling, places regenerator back to the Oxygen Breathing Apparatus. Man disinfects Oxygen Breathing Apparatus mouthpiece and tubes in a solution of bichloride of mercury or Lysol. Man rinses disinfected tubes with water before installing them back to the apparatus.
A rescue crew explores a mine. Rescue team with Oxygen Breathing Apparatus use elevator to enter the mine. Rescue team explore mine tunnel to search for trapped workers. Rescue team tests a lamp for presence of methane gas. Flame rises inside lamp due to methane gas in mine. Flame goes out in lamp due to lack of oxygen.
Canary in a coal mine and carbon monoxide detector use for rescue operations inside mines. Rescue team uses a carbon monoxide detector and a caged canary bird to detect presence of carbon monoxide. Canary bird in cage expires due to high carbon monoxide.
Psychological warfare operations (PSYOP) and information dissemination demonstration by the United States Army during the Cold War. A loudspeaker jeep hidden distantly behind clump of trees in a grassy field. A tank (likely a Sherman M4 tank) with a loudspeaker moves across a field. Leaflets distantly visible in the sky. A B-26 plane flies past a field. More leaflets fill the sky distantly visible. Leaflets falling on the fields. A United States Army L-16 plane flying low, dropping leaflets over soldiers.
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