__________ wheel connect escapement wheel and the carriage rack.
APinion wheel
BThumb wheel
CRatchet wheel
DNone of the above
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Related Questions:
The instruction ' by hand ' on an envelope is to be written :
The first commercially successful typewriter was invented by :
The upper portion of the typewriter which moves while typing is :
Universal bar is connected to _________ of a typewriter.
Mainspring
Pinion Wheel
Dog Block
Ribbon Gear
After column,...................... space should be left.