Factual error: Barbara takes an ancient document out of a filing cabinet. One of the words in its title is HIFTORIE, for "history." The old-fashioned way of writing the letter "s" was the so-called long s (ſ), not the letter "f", and this was only ever used as a lowercase letter. So the word would have been written as HISTORIE.
Quatermass and the Pit (1967)
1 factual error
Directed by: Roy Ward Baker
Starring: Andrew Keir, James Donald, Barbara Shelley, Julian Glover
Visible crew/equipment: As the drillman was removing his equipment from within the spacecraft, the gravity became nonexistent and all the tools began to float. You can easily see wires on all the tools - especially the flashlight.
Barbara Judd: We are the Martians now.
More trivia for Quatermass and the Pit