Old Calculator Web Museum Documentation Archive
Monroe 920 Service Manual
This original Monroe service document was donated to the Old Calculator
Museum in July of 2015 by Mr. Charles Smith, who was a Monroe Service
Engineer for many years. Mr. Smith kindly donated this document, along with a
Monroe 920 Calculator in
beautiful condition, along with some other documentation relating
to Monroe's 920, 925, 950, and 990 calculators. The museum wishes
to express its sincere thanks to Charles for his gracious donation.
The scan of this document was kindly performed by Mr. Dave Beck.
Dave also provided a generous monetary contribution to the museum along
with scanning of the Monroe documentation. Sincere thanks to Dave
for his contributions to the museum.
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