04-11-2016, 07:52 PM
Yes Hugh was surprised the mechanicals went quiet with a drop of oil........... hardly an engineering feat.
When I was 13 at Irvine Royal Academy I was lucky enough to suggest and got the go ahead from the Physics and Technical Dept to build a Baird scanner and Televisor.
Along with three teachers and I think 12 or 15 pupils we did this within a month. We had the great fortune as one of the science teachers was well into electronics. The thing is it worked and well and was displayed for a few years before the school closed down. We didn't use a flying spot source but a series of lenses and the light passed through the Nipkov disc to a photocell, we plumped for 50 lines and used eddy current brakes as a servo for syncing purposes.
So surely some form of viewer could have been knocked up?
Like I've said too much reliance on new technology without going back to proper old fashioned engineering skills.
When I was 13 at Irvine Royal Academy I was lucky enough to suggest and got the go ahead from the Physics and Technical Dept to build a Baird scanner and Televisor.
Along with three teachers and I think 12 or 15 pupils we did this within a month. We had the great fortune as one of the science teachers was well into electronics. The thing is it worked and well and was displayed for a few years before the school closed down. We didn't use a flying spot source but a series of lenses and the light passed through the Nipkov disc to a photocell, we plumped for 50 lines and used eddy current brakes as a servo for syncing purposes.
So surely some form of viewer could have been knocked up?
Like I've said too much reliance on new technology without going back to proper old fashioned engineering skills.
