Telegraph Demonstrated, Washington D.C., USA | 1837-09-04

Telegraph Demonstrated, Washington D.C., USA | 1837-09-04 Read More »

First Practical Piano, Florence, Italy | 1709

First Practical Piano, Florence, Italy | 1709 Read More »

Mercury Thermometer Invented, Germany | 1714

Mercury Thermometer Invented, Germany | 1714 Read More »

Savery Steam Pump Invented, London, England | 1698

Savery Steam Pump Invented, London, England | 1698 Read More »

Speed of Light Estimated, Copenhagen, Denmark | 1676

Speed of Light Estimated, Copenhagen, Denmark | 1676 Read More »

Newton Presents Reflecting Telescope, London, England | 1672-01-11

Newton Presents Reflecting Telescope, London, England | 1672-01-11 Read More »

Air Pump Invented, Magdeburg, Germany | 1650

Air Pump Invented, Magdeburg, Germany | 1650 Read More »

Barometer Invented, Florence, Italy | 1643

Barometer Invented, Florence, Italy | 1643 Read More »

Pascal’s Calculator Demonstrated, Rouen, France | 1642

Pascal’s Calculator Demonstrated, Rouen, France | 1642 Read More »

Logarithms Introduced by Napier, Edinburgh, Scotland | 1614

Logarithms Introduced by Napier, Edinburgh, Scotland | 1614 Read More »