What do these figures refer to?
- completed a small difference engine
- the second Difference Engine and its 2.5-tonne printer were built by the London Science Museum
- Babbage published his most influential work On the Economy of Machinery and Manufactures
- the government decided not to proceed funding for Babbage and stuck the incomplete Difference Engine in the Science Museum
- published Memoirs of the Analytical Society
Look at the list of inventions and developments. Tick those that Charles Babbage made. Look back in the text if necessary.