MARCHANT (B) STANDARD

S N A P - S H O T S  from the PROCESS of RESTORATION
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The disassembled machine after cleaning 90 years accumulated dirt ...



QUESTIONABLE is the over-complicated & over-sized STEPPING UNIT:
The "Left-Step" was not precise positioning "into the slot".
To fix: Different levers had to be bent back = Bad Engineering! ...



The AXLE of the CRANK and the DRIVING TOOTH-WHEEL was loose.
To fix: Three holes were drilled on the perimeter and filled with
hammered-in & glued-in nails to make a strong connection ...



The CRANK-HANDLE was missing.
A new was made from a wooden handle. The "Pull-Out Mechanic"
is made out of a pen-cap, washer & clip and glued inside;
and a metal cap glued on its left side ...



The STEP-DRUM was blocked and had to be (1st) washed in gasoline
and (2nd) applied with silicon oil for lubrication.

Decision was made NOT TO RE-PAINT the machine!!!
LET IT GO as the calculator was working in its last stage!
FINALLY:
See the MARCHANT (B) STANDARD from another angle ...



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© C.HAMANN        http://public.beuth-hochschule.de/~hamann       11/13/12