I HAVE never personally met our reader Adrian Jack, but wow, this guys seems to have the answer every week!
He was the quickest to write in to say last week’s item was a pocket barometer/altimeter. Hit the nail on the head and sent through a few sentences explaining how it worked and what it was for. Thanks Adrian.
Mostly people email us but one reader, Philip Fowler, did not have access to a computer so he called with the correct answer. Thank you. Bryce Atkinson, Keith Brown, Arthur Sale, Bruce Taylor, Stew Edwards and many other readers were all also right.