In message 20190123162939.3d4512e2@Mars, Rob Morley
writes
On Wed, 23 Jan 2019 11:29:22 +0000
Tim Lamb wrote:


Internal wall so not likely to suffer hugely from condensation.
U-tube tricks showed wiping shaving cream over the glass as a
prevention! How does that work?

Detergent breaks down surface tension so you get a thin film of water
rather than the haze of many tiny droplets.

So a bit of Fairy liquid will do?


--
Tim Lamb