Joseph Henry, the first director of the Smithsonian Institution in Washington, DC, USA, founded the national weather service in 1848. Continue reading
Tag: Washington
Inauguration of International Airmail Service
International airmail service was inaugurated on March 3, 1919, between Seattle, WA, USA, and Victoria, BC, Canada Continue reading
Supersonic Concorde Jet Crossed The Atlantic
Two Concorde supersonic jets flew across the Atlantic Ocean on May 24, 1976 from both Paris, France and London, England arriving at Dulles International Airport, Washington, DC, USA. Continue reading
Boeing 747 Double-Decker Jet in Operation
Boeing Company of Seattle, WA, USA introduced the jumbo jet, Boeing 747 in 1970. Continue reading
First Military Radar Experiment
The Naval Research Laboratory (NRL) in Washington, DC, USA conducted the first military radar experiment in 1922 Continue reading
First National Geographic Issue with Holographic Cover
The National Geographic magazine published a hologram on the March 1984 edition cover Continue reading
Invention of the Monotype Typesetter
Tolbert Lanston of Washington, DC, USA invented and patented the monotype individual letter typesetter Continue reading
Samuel Pierpont Langley
Title: Samuel Pierpont Langley
Samuel Pierpont Langley (August 22, 1834 – February 27, 1906) was an American astronomer, physicist, inventor of the bolometer and aviation pioneer. Continue reading
Samuel Pierpont Langley Propelled a Steam Engine Plane
Samuel Pierpont Langley propelled a steam engine plane, Aerodrome across the Potomac River near Washington, DC, USA, on May 6, 1896. Continue reading
Seattle Builds Underground Hydroelectric Plant
First underground hydroelectric plant was built in Snoqualmie Falls Continue reading