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Better housing
ARP18A09_480

Better housing

Photograph of Ebensee concentration camp prisoners
ARP17A14_110

Photograph of Ebensee concentration camp prisoners

Poster from the NYC Housing Authority
ARP16A00_324

Poster from the NYC Housing Authority

Mathematical tablet - this tablet
ARP11A03_425

Mathematical tablet - this tablet

Mathematical tablet - this tablet
ARP11A03_426

Mathematical tablet - this tablet

Electrified fence between occupied Belgium and free Holland, 1915
ARP11A01_414

Electrified fence between occupied Belgium and fre...

Affiche politique allemande
ARP10A03_311

Affiche politique allemande

Leclance cell
ARP07103_460000550

Leclance cell

Wet Battery: Leclance cell, invented c1866
ARP07103_460000551

Wet Battery: Leclance cell, invented c1866

Leclance cell, c1866, a type of wet battery
ARP07103_460000552

Leclance cell, c1866, a type of wet battery

Washing ore to extract gold
ARP07104_460001051

Washing ore to extract gold

Painting a wound with an antiseptic solution
ARP07104_460001137

Painting a wound with an antiseptic solution

Lazarus Ercker, Extraction de l'Or
ARP07096_390001532

Lazarus Ercker, Extraction de l'Or