How were goods moved?
elevators
driven by what?
steam
What attracted tourists?
Ascending Room
Where was it built?
London
When was it built?
1823
By whom?
Burton and Hormer
What did Armstrong build?
hydraulic crane
In what year?
1846
What was the primary purpose?
Loading Cargo
Where were the elevators used?
mines and factories
Was the crane a success?
yes
What did it replace?
steam driven elevators:
Why were they successful?
they provided a much greater force
What  increased the lift power?
Counterweights
What did the attraction do?
It lifted customers up to show downtown.
What was the occupation of those who built it?
they were two architects
What was exploited?
Pascal's law
What applied the pressure?
A water pump
Was it a constant force?
No
What did this allow to be accomplished?
level of the platform to be raised and lowered
When were the elevators used?
by the mid-19th century