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Old 7th Sep 2020, 3:14 pm   #36
Slothie
Octode
 
Join Date: Apr 2018
Location: Newbury, Berkshire, UK.
Posts: 1,287
Default Re: I found it !. A very sorry looking MK14

Its probable the 7493 is being used in a single step circuit; although the circuit in the V1 manual uses a MC14024 counter, later issues shows a 7493A being used:
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