Period

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A microfilter: arrangement of wires in a filar position-Micrometre, the type in general use in the late 19th century
ARP23A16_143

A microfilter: arrangement of wires in a filar pos...

Illustration explaining the operation of wireless telegraphy at sea
ARP23A18_241

Illustration explaining the operation of wireless ...

WWII Propaganda
ARP18A07_366

WWII Propaganda

Theodore Roosevelt delivering a jolt of electric current
ARP18A14_485

Theodore Roosevelt delivering a jolt of electric c...

Poster
ARP18A09_138

Poster

Zeichtnet die Neunte! Es geht un Alles was wir lieben!
ARP18A08_109

Zeichtnet die Neunte! Es geht un Alles was wir lie...

Robida, Le Vingtieme Siecle
ARP07096_390001581

Robida, Le Vingtieme Siecle

Needle Making
ARP07096_390001599

Needle Making