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.
Dramatization. A pair of burglars breaks into a TV and radio repair shop at night. Burglars shine flashlight on door as they pry it open with a crow bar. Burglars looking in cash register and file cabinet. Burglar pulls out a metal cash box. Burglar pries open the metal cash box, stealing wads of dollars. A burglar steals a portable radio from a shelf. View of cash box with only receipts remaining. Close up of police report complaint of burglary. Policeman opens a Type of Crime File file cabinet, searching through index cards. Policeman finds a card from index file, writing down notes. A bar chart depicting types of crimes committed from April to June. A policeman blows whistle, directs traffic in Washington, D.C. A police officer hands a notice to a man at his front door. Police officer and citizens a woman who has fallen on a sidewalk in Washington, D.C. Police chief presents a report to a city council, showing a line chart.
Brief aerial view of 8200 block of Georgia Ave., Silver Spring MD. Pedestrians cross the street in front of the J.C. Penney Co. department store at 8650 Colesville Rd. Silver Spring, MD 20910. A man parks his 1965 Chevy Bel Air station wagon in front of a building. Close up of keys left in ignition after parking car. An alley filled with trash in an urban slum neighborhood. Trash and a child's tricycle in a vacant lot. Policemen writing reports, papers, and complaints for record keeping. A policeman searches through index cards in the Type of Crime File case file cabinet. View of a Police Beat Location map color-coded according to level of police activity. A policeman uses a spot map. A bar chart depicting types of crimes committed from April to June. Police chief presents during a community group meeting. A man uses a typewriter. A policeman writes a report. Operator pressing a button on an console controlling two IBM 729 Magnetic Tape Units. Policemen leave precinct on L Street in Washington D.C. precinct to begin their patrols. A policeman writes on his notebook while holding a card from the arrest index file. Policeman answers call. A police officer inside a grocery store. Policeman keeps writing notes in a ledger.
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.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy | Links ©2024 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2024 CriticalPast LLC.