The gelatin covering the board does serve a purpose--it helps with vibration, among other things. It's called a potting compound, and you'll find it around electronic components in other high-vibration applications (automotive, power tools, etc.)
Re:They Used To Last 50 Years
by gcb0 on Tuesday March 21, 2017 @10:41PM
(#13928102)
This is the subject of this thread. How much "less expensive" you get on a $3~4k machine where the competition is $500. To compare with well built machines going for $3~4k in the 50's
https://en.wikipedia.org/wiki/Potting_(electronics)