Answer:
They sent out 4 mechanical hounds
Step-by-step explanation:
Fahrenheit 451 is a dystopian novel published in 1953 by an American writer known as Ray Bradbury. The major character in the novel was Guy Montag, a fictional character and the protagonist that was said to be a fireman.
When the authorities set out to find Montag, they used 4 mechanical hounds, a robotic dog-like creature with eight legs. The mechanical hound was found in the firehouse and firemen were known to have used this dog-like creature to hunt book hoarders.