US Patent 2008734 covers all, or does it?

The “Spirit and Scope of my invention” are the words Philip Van Horn Weems used ...

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Walter Mittelholzer Pioneering Aerial Photographer

Walter Mittelholzer pioneering aerial photographer, made his way through aviation as a photographer, performing regular ...

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Roger Q Williams Pathfinder

Referred to as a ‘Natural-Born Flyer,’[1] Roger Q. Williams Pathfinder, first found recognition in the ...

The last three ALL silver Hour-angles

In Stephanie Lachat’s beautiful book Longines through Time, she notes that the very last generation ...

An Accurate Timepiece for the Air Navigation age

Whilst Santos-Dumont had flown with his famous Cartier watch in 1906, there was a limited ...

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Dieudonne Costes – Incredible Hour-angle watch

Dieudonné Costes is best known for the extraordinary Paris to New York flight of September ...

Amy Johnson’s Weems SOARS again.

Amy Johnson’s Weems watch SOARS again at a recent Sotheby’s auction selling for 88,200 pounds. ...

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The Hour-angle watch – a “Lindbergh”

The speed of the plane brought complex new navigational challenges. When traveling at 200 miles ...

Amy Johnson: Queen of the Air

Amy Johnson joins the likes of Amelia Earhart in her feats of aviation and her ...