Tesla's electrical demonstration

727 × 1100

Tesla coil experiment with man

1189 × 795

Tesla coil discharging electricity

3888 × 2592

Historical balloon illustrations

2011 × 1200

Historical natural history chart

5156 × 3244

Universal Atlas astronomical table

5154 × 3243

Geological map of the United States

2787 × 1945

Blacksmiths at work in a workshop

2000 × 1620

Civil War officers at camp

1024 × 887

Union officers with cannon at Gettysburg

2000 × 1848

Civil War soldiers in forest

3300 × 2411

Civil War soldiers in forest

1800 × 1425

Civil War officers in forest

1600 × 1297

Civil War hospital courtyard

3000 × 3013

page from economic thought book

1604 × 2235

Union soldiers resting on a hill

1430 × 1073

Factory interior with machinery

1920 × 1453

Death of Nelson in the cockpit

2000 × 2458

Soldiers at a wooden fortification

2000 × 1859

Civil War soldiers in forest

3000 × 2268