What is written on the firemen’s helmets in Fahrenheit 451?

“With his symbolic helmet numbered 451 on his stolid head, and his eyes all orange flame with the thought of what came next, he flicked the igniter and the house jumped up in a gorging fire that burned the evening sky red and yellow and black”. Fahreinheit 451 represents the temperature at which books are burnt.Click to see full answer. Considering this, why does Montag have 451 on his helmet?Montag does have a helmet with 451 emblazoned on it, the temperature at which paper burns, a symbol that firemen have been turned into censors, burning books. But he also wears two other symbols on his uniform: a salamander on his arm and a phoenix in a disc on his chest.Secondly, what happened in Fahrenheit 451 Part 1? In the first part of Fahrenheit 451, the character Guy Montag, a thirty-year-old fireman in the twenty-fourth century (remember that the novel was written in the early 1950s) is introduced. As a fireman, Guy Montag is responsible for destroying not only the books he finds, but also the homes in which he finds them. Beside this, what do you think is hidden in the ventilator in Montag’s house? Montag has hidden a small collection of books behind the ventilator grill in his home. He believes that the ventilator is an adequate hiding spot to place the books, and he stares directly at the grill several times in part one when he begins to question his happiness.What happens right before Montag and Mildred begin to read the books?Just before they start, the front door calls them to say there is someone at the door. They assume it is Beatty who has returned. There is one very important point that Beatty mentions when he is talking to Montag.