6000 BC
8mh
1600 BC
20mh
1,784 AD
10mh
1825
13mh
1958
1,300mh
1938
350mh
1938
400mh
1961
17,560 mh
4,534 mh
1967
1,450 mh
1970
625mh
Aesthetic
Functional
Situational
Social
Curiosity
Situational
Functional
Aesthetic
Social
Curiosity
1963
1841
1950
1929
1970, October
19th century
Pipeline
Steam
Pipe transport
Bunker fuel