Friday 17 May 1963
137th day - 228 days to come
Visited Barney Rich. He has made up sets of DOZEN DIAMONDS on cubes using nos. from 1 to 12. Tried a few throws. It is much easier to get a slam. Told him of the idea of throwing the dice, leaving them for all to see & bidding for the right to play them.
Gave him copy of FOCUS. Played 2 games. He played very poorly.
Gave me folder advertising "MATHEMATICAL RECREATIONS AND ESSAYS" by Walte William Rouse Ball.
Mentions 3 Nim variations:
MOORE'S GAME
WYTHOFF'S GAME
DUDENEY'S GAME OF KAYLES
Loaned me reprint of magazine artical [sic] about commercial arithmetic games.
Felicia called. 3M has sent money to hold VACATION & AUCTION BLOCK for a longer time.
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