‘proved’ historical pictures (exact matches)

The trial for murder of Madeleine Smith
The trial for murder of Madeleine Smith
TE Lawrence on his motorcyle
TE Lawrence on his motorcyle
Roman soldiers defending Hadrian's Wall against an attack by the Scots
Roman soldiers defending Hadrian's Wall against an attack by the Scots
Panama Canal
Panama Canal
Rama fighting his twin sons with support from Hanuman
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Rama fighting his twin sons with support from Hanuman
Card index systems that are in popular use to-day, a selection of models that have proved their efficiency in many …
Card index systems that are in popular use to-day, a selection of models that have proved their efficiency in many …
The Tramp Abroad Again, by Mark Twain
The Tramp Abroad Again, by Mark Twain
In 1901 Marconi proved you could send a signal across the Atlantic Ocean
In 1901 Marconi proved you could send a signal across the Atlantic Ocean