<P> Black Maria may refer to: </P> <Ul> <Li> Black Maria, a slang term for a police van used to transport prisoners, originally these were horse drawn and so could take some time to arrive at a crime scene . "Black Maria" was a famous racehorse of the day, born in Harlem USA in 1826 . The name was sardonically applied to the police carriages (which were also usually colored black). </Li> <Li> Black Maria, the name of the truck that stops to aid the lone survivor in the film The Texas Chain Saw Massacre . </Li> <Li> Edison's Black Maria, a film studio created by Thomas Edison </Li> </Ul> <Li> Black Maria, a slang term for a police van used to transport prisoners, originally these were horse drawn and so could take some time to arrive at a crime scene . "Black Maria" was a famous racehorse of the day, born in Harlem USA in 1826 . The name was sardonically applied to the police carriages (which were also usually colored black). </Li> <Li> Black Maria, the name of the truck that stops to aid the lone survivor in the film The Texas Chain Saw Massacre . </Li>

Where did the term black maria come from
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