These two spiral-bound notebooks are tthose used by Bob Metcalfe and David Boggs as they worked on designing and troubleshooting their early Ethernet prototype boards. Book I is very detailed and nearly full while book II is mainly empty. Metcalfe's writing is large and he used more colors to differentiate his ideas than Boggs did.
For the boards, see 1992.0566.01 and 1992.0566.02.
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