Very early isobariks

[Bob B.]

Doubt you will see a pair much earlier than these.
Reminds me of the first pair I saw in 1972.

https://www.ebay.co.uk/itm/Linn-Iso...d=link&campid=5338728743&toolid=20001&mkevt=1

 

[garyi]

A face only the mother could love.