An impressive feat of craftsmanship and skill, these engines in miniature often served a practical purpose, as concept models in the design process for new engineering developments.
1909
1850
1984
1845
1890
1910
1973-1983
1882
1925
1975
1969
1875
1908
1975-1985
1997
circa 1955
2000
1960
1963
1950
circa 1868
1841