Gleason’s Map Worldtime



Description:

Gleason’s Map Worldtime
A 42 mm stainless steel Timepiece featuring the Gleason’s Map from 1892 used in Aviation still in the 20th century. A transparent disk with a luminous Sun revolving around once in 24 hours. Midnight shown at 12 o’clock, Noon at 6 o’clock. The minute shown by a regular hand, Mechanical 24-Hour GMT Movement

Beinecke Rare Book and Manuscript Library > Gleason's new standard map of the world : on the projection of J.S. Christopher, Modern College, Blackheath, England ; scientifically and practically correct ; as "it is."