‘Observation’ historical pictures (exact matches)

Claudius Ptolemy, Greco-Roman astronomer and mathematician and geographer
Claudius Ptolemy, Greco-Roman astronomer and mathematician and geographer
In 1911, Lt Giulip Gavotti became the first man to drop a bomb from a plane
In 1911, Lt Giulip Gavotti became the first man to drop a bomb from a plane
Observation balloon ascending, World War I
Observation balloon ascending, World War I
Il Presidente della Repubblica Francese alla fronte italiana
Il Presidente della Repubblica Francese alla fronte italiana
Discovering Our Cities: The Marvel of the Mersey (Liverpool). Jeremiah Horrocks.
Discovering Our Cities: The Marvel of the Mersey (Liverpool). Jeremiah Horrocks.
Percival Lowell
Percival Lowell
An instrument that would prevent many casualties among artillery officers, periscope field-glasses …
An instrument that would prevent many casualties among artillery officers, periscope field-glasses …
The War in South Africa
The War in South Africa
Ornatus Muliebris Anglicanus (The Clothing of English Women)
Ornatus Muliebris Anglicanus (The Clothing of English Women)
Surveying on the New Guinea Coast, a Nocturne
Surveying on the New Guinea Coast, a Nocturne
Elevation of the Belmont Menagerie, Newport, Rhode Island
Elevation of the Belmont Menagerie, Newport, Rhode Island
Search for the missing French ship Vienne
Search for the missing French ship Vienne
Interieur du kiosque d'observation
Interieur du kiosque d'observation
The first military mission from the air
The first military mission from the air
View of the coast of the Adriatic Sea with an observation tower on the other side of Monopoli
View of the coast of the Adriatic Sea with an observation tower on the other side of Monopoli
Page from The British Working Man or One Who Does Not Believe In Him
Page from The British Working Man or One Who Does Not Believe In Him
The Capillary Circulation
The Capillary Circulation
En Observation (Under Observation)
En Observation (Under Observation)
Giovanni Schiaparelli, Italian astronomer
Giovanni Schiaparelli, Italian astronomer
Ornatus Muliebris Anglicanus (The Clothing of English Women)
Ornatus Muliebris Anglicanus (The Clothing of English Women)