US Patent 2008734 covers all, or does it?

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

The last three ALL silver Hour-angles

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

The First Generation Hour-angle or “Lindbergh”

The Longines Hour-angle watch is history’s most famous pilot watch and improved upon the Weems ...

An Accurate Timepiece for the Air Navigation age

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

Phillips-Lindbergh-Costes

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. ...

pair-lindbergh_1

The Hour-angle watch – a “Lindbergh”

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

Longines watches

Philip Van Horn Weems – Grandfather of today’s GPS

While characters like Lindbergh, Douglas Corrigan and Richard E. Byrd were trailblazing the skies, pioneers ...

Weems Lindbergh hour- angle prototype unit of arc markings dial

Lindbergh had a special Weems!

Lindbergh had a special Weems! It almost sounds like a chicken or egg type scenario, ...