Pilot's and Flight Engineer's Notes Short Sunderland III, 2nd Ed, AP1566C-PN CF-100 Most notably

Most notably

the pointer indicates altitude along the inner green scale

The Type A-8 was a navigation stopwatch designed for timing ground speed meters for determining the velocity of aircraft relative to the ground

This indicator

It is in superb condition given its age

Pilot's and Flight Engineer's Notes Short Sunderland III, 2nd Ed, AP1566C-PN CF-100 Most notablyThis is a post WWII Air Data Publications reprint of the November 1943 Air Ministry Publication. Includes checklist, airplane handling, emergencies, foldouts of cockpit pictures and instrument panel. This ~50 page black and white manual is in very good condition. Measures 7. 5 inches long and 5 inches wide.