|
|
|
|
1775R-6537
Architect supplies on top of a filing cabinet
|
|
|
|
|
|
|
1775R-6516
Architect supplies on top of a filing cabinet
|
|
|
|
|
|
|
1370-42254
Aerial view of a power station, Geothermal Power Station, Calipatria, California, USA
|
|
|
|
|
|
|
2778-411767
DRAWING OF A FLYING MACHINE
WITH A MAN OPERATING IT
PEN & INK
Leonardo da Vinci
1452 d1519
Florentine
Institut de France, Paris
|
|
|
|
|
|
|
1569R-31006
|
|
|
|
|
|
|
1566-0209083
Eiffel Tower and Trocadero. Paris. France
|
|
|
|
|
|
|
1746-2220
Washing plant at De Beers diamond mines, Kimberley, South Africa, c.1900
|
|
|
|
|
|
|
1370-41966
Low angle view of a steelworker working at a bridge construction site
|
|
|
|
|
|
|
1370-41977
Steelworkers at a bridge construction site
|
|
|
|
|
|
|
1569R-31044
|
|
|
|
|
|
|
1569R-178043
|
|
|
|
|
|
|
1746-728
Military engineering:
A) Sappers using a 'sow'
B) Wheeled shield with leather cover
From "Poliorceticon sive de machinis tormentis telis" by Justus Lipsius (Antwerp, 1605)
|
|
|
|
|
|
|
1370-41964
Steelworkers at a bridge construction site
|
|
|
|
|
|
|
1370-41960
Steelworker working at a bridge construction site
|
|
|
