The first commercially successful typewriter was invented by :
AIsaac Pitman
BCharles Babbage
CChristopher Sholes
DHansen
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Related Questions:
To control the movement ------ silencer is provided
- Rigid dog
- Loose dog
- Pinion wheel
- Escapement wheel
Carriage is connected with the main spring by using :
Paper bail holds the paper around the ______.
Ribbon movement is not associated with
- Ribbon throw
- Step by step movement
- Ribbon reverse movement
- Lengthwise movement
'On I G S 'on the envelope of an official letter is found on:
- Top Right
- Top Left
- Top Centre
- Bottom Right