alleryStart learning →Drag each invention to its year
Exercise and reference answers
- End
- 1900
- Start
- 1840
- Events
- Year
- 1844
- Item
- Telegraphy ready
- Year
- 1867
- Item
- Typewriter made
- Year
- 1876
- Item
- Telephone shown
- Year
- 1886
- Item
- Linotype machine
- Year
- 1888
- Item
- Adding machine
- Year
- 1897
- Item
- Cash register
- Instructions
- Drag each new machine of the industrial years onto the year in which it appeared.
Explanation
_Source: An Outline of American History (U.S. Information Agency, 1990, public domain), section THE ERA OF EXPANSION AND REFORM_