Rolls Radio Transistogram

[Mike Watterson]

Was it really called a "Transistogram"?

These are the only ones I find
https://www.radiomuseum.org/r/ultra_6312.html
Which is transistor based.

And
Pye Portable Transistogram

And
https://www.kapitimuseum.org.nz/virtual_...889790.htm

And
https://auctions.goldingyoung.com/lot-de...Fpage%3D14