Watching a re-run of THE AVENGERS on Sunday, I came across another measurement quote after John Steed has been shrunk to approximately 2 inches in size by a ray gun:
"She's startled when Steed emerges from the APC on the desk - "Steed? It can't be! It's a dream, a dream, a tiny dream" - but he proves his existence by prodding her with a pen and explains that Rushton's 'infernal machine' was used by Chivers on the tank while he was inside. She cheekily asks if everything is to scale and he laughs ..."
SOURCE: https://www.dissolute.com.au/the-avengers-tv-series/series-5/524-mission-highly-improbable.html
They don't make TV shows like they used to ...