dinosaurspen: Cryptographers Dorothy Du Boisson & Elsie Booker operating the codebreaking computer Colossus Mk. 2. Bletchley Park, England, ca. 1944.

dinosaurspen: Cryptographers Dorothy Du Boisson & Elsie Booker operating the codebreaking computer Colossus Mk. 2. Bletchley Park, England, ca. 1944.

Inventhelp: 5 Things You Didn’t Know Thomas Jefferson Invented.

Theoddmentemporium: She Knew It Like The Back Of Her Hand … The National Archives Holds A Vast Accumulation Of Historic Maps But Few Are As Unusual As This One. It’s A Leather Glove Painted With A Map Of London Landmarks And Was Designed To Help

Prokopetz: Nebcondist1: Prokopetz: I’ve Seen This Image Going Around, And I Feel Compelled To Point Out That It’s Only Half-Right. It’s True That High Heels Were Originally A Masculine Fashion, But They Weren’t Originally Worn By Butchers -

Enigmaticpenguinofdeath: There’s A Fascinating Article On Slate Entitled “Murder In Miniature - One Woman’s Ghastly Dollhouse Dioramas Turned Crime Scene Investigation Into A Science”. It’s About Frances Glessner Lee, An American Millionaire

Oldworldinventions: 1974: Phone Butler Answering Machine

The-Gasoline-Station: The First Ferris Wheel From The 1893 World Columbian Exposition In Chicago 1893.

Oldworldinventions: 1954: Car Record Player

Oldworldinventions: 1920(S): Treadmill

Oldworldinventions: 1903: Miniature Pigeon Cameras.

Back-Then: Central Park. 1900

Boomerstarkiller67: 70S Videosphere

Stuffmomnevertoldyou: Patti Mcgee, The World’s First Female Professional Skateboarder.

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