MATHEMATON Snapshots of the Restoration Procedure ![]() ![]() ... the "MATHEMATON" came dirty and rusty It consists of 2 Parts: The UPPER PART is the manual-operatable CALCULATOR ( shown upside-down ) and the LOWER PART is the MOTOR UNIT Both clipped together on the sides ... ![]() ... A 10s-CARRY-UNIT with its SPRING and broken SUPPORT fall out of the CARRIAGE ![]() |
Disassembling the "Area-In-Question" ...![]() ![]() ... shows the BROKEN SUPPORT BEAM ( Compare with right Unit !) Made a SUPPORT BEAM out of a Sheet-Metall Strip - glued-in ... ![]() ![]() ... and placed the 10s-Carry-Unit and its Spring DETAIL of the assembled Carriage: ( !!! DIFFERENT POSITIONS OF THE DISPLAY-GEARS !!!) ![]() ![]() Picture of the disassembled UPPER UNIT ... ![]() DETAIL Pictures of KEYBOARD UNITS ... ![]() DETAIL Pictures of SPACERs under LOCATION-MARKER ... ![]() ![]() ... give more SPACE to move CARRIAGE without friction Back to the MATHEMATON Main Page +++ R E M A R K S +++ To Restoration Procedure ... ========================================================================== Broken ANGLE on top/right of the CARRIAGE had to be home-made and GLUED-on Missing "KeyBoard-DELETE"-KEY + "Automatic-Division"-KEY made out of CAPs impressum: ************************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 02/08/20 |