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1920 PORTABLE TYPEWRITERS P I C T U R E G A L L E R Y
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CORONA 3 THE FOLDABLE & PORTABLE TYPEWRITER L C SMITH & CORONA TYPEWRITERS, INC. Groton, NewYork / USA (1926) Back to the older version ... SN = X 635033 |
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REMARKS:
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This Model is an interesting "MATHEMATICAL" Version (Custom made ? )
It has special symbols on the hammers ("+", "=", "π" & "square-2")
but the "standard" symbols on its keys ...
Modified TECHNICAL DATA of this newer Model:
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o Pica 10 cpi ; 80 cpl
o Shift keys added on the right side
o Carriage-return / line-feed handle on the left side
o Carriage extended one inch, now 9 3/4 "
(Now fitting business envelopes)
The Trick with RIBBON SPOOLING:
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When operating right, both axles of the ribbon spools turn clockwise.
Both spools have to have the ribbon-ends wound up counter-clockwise.
THE RIBBON TURNS AROUND THE SPOOL WHICH HAS THE TOP-NUT FIXED - THE
OPPOSITE NUT HAS TO BE LOOSE - in order for the ribbon to move ...
RESTORATION Starts:
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Nothing was working. Discovered after disassembling, that someone
with low skills and bad tools had tried to repair - OhOh!
(1) Cleaning, bending, oiling, re/placing springs ...
(2) End-lever of the space-bar lever-system was broken ...
----> Temporarily repaired by glueing a hook made of copper-wire!
(3) Missing a special screw on the left side of the carriage
for holding a ratchet lever in place - enables the rubber-
cylinder to go back to previous lines ...
----> Made "the right one" out of a longer screw!
(4) 12 (too small) ball bearings supported the carrier ...
----> Found 8 right ones ( 3/16" ) to exchange!
(5) To prevent clustering of the ball-bearings ...
----> Made a cage out of paper clips!
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