2" Research Grade TZ-3 Telecentric System (3x focal length)
David Rooney on Twitter: "I bet NONE of you are interested in trains or science so you'll all HATE this postcard of an electric train passing Jodrell Bank radio telescope ughh https://t.co/CttuJfUcCS" /
Air Compressor 4 Tank Trumpet | Train Horn Compressor Trucks - 4 Air 12v 150psi Kit - Aliexpress