1969 Memorex 1" videotapes with NASA Apollo (?) material

[Dutchsteam]

Originally Posted by ppppenguin

It's many years since I've handled A format but those spools seem a little too small, so possibly IVC 700/800 etc. Can you give us the actual diameter of the spools please. Though I don't have an immediate reference for the sizes used.

They are a tiny bit smaller than my 1/4" 10" audio reel.

Some measurements:
Memorex Reel:

Width: 32,6mm

Diameter hub: 76mm

Diameter Outside: 247,5mm

Tape:

Width: 25,25mm