If you were asked these Questions how would you answer?
The one you think was the one ( most) outstanding...
1. The Iconoscope to Image Orthicon.
2. Monochrome to Color.
3. T.V.R. to Video Tape.
4. Anolog to Digital.
5. Cathode ray Tube to L.C.P.S.
We know they are all great but there must be one that stands out..
for you...My choice would be # 2 Color.
My choice would be Analog to Digital!