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Additional Pictures 

 

This Craig Model 4501 was obviously manufactured in March 1972
by Bowmar/Ali Inc. of Acton, Massachusetts, USA.
The sleek shape of the Craig 4501 shows the display
under a convenient reading angle.
The inside view of the Craig Model 4501 manufactured in March 1972 with the PM901-400/E PCB-Mark.
The Klixon keyboard is hiding most of the printed circuit board (PCB) of the Craig Model 4501 and
only two Display Drivers and the LED Display are visible.
Close-up view of the Display Module of a Craig Model 4501 manufactured in March 1972.
Close-up view of the Monsanto MAN-3A 7-Segment LED Module showing the 4 small light bars per segment.


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, October 31, 2021. No reprints without written permission.