March 2010
Intermediate to advanced
352 pages
10h 7m
English

Visual surveillance began in the late nineteenth century to assist prison officials in the discovery of escape methods. It wasn’t until the mid-twentieth century that surveillance expanded to include the security of property and people. The astronomical cost of these first security camera systems, based on traditional silver-based photographic cameras and film, limited their use to government buildings, banks, and casinos. If questionable activity was discovered, the monitoring security firm would develop the films in a secure, private darkroom laboratory to analyze at a later date. Live television ...