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Subject
- Technological innovations.[remove]3
- Criminal justice, Administration of.1
- General Electric Company--History.1
- Inventions.1
- Journalists.1
- Law enforcement.1
- Motion picture journalism--United States--History.1
- Police communication systems.1
- Police--Uniforms.1
- Police.1
- Radio broadcasting.1
- Radio--History--20th century.1
- Reporters and reporting.1
- Sam Browne belts.1
- Speeches, addresses, etc.1
- Stone, Melville Elijah, 1848-1929.1
- Technology.1
- Television broadcasting.1
- Television--History.1