The Avro 627 "Mailplane" (English): A Single-Seat Biplane (open access)

The Avro 627 "Mailplane" (English): A Single-Seat Biplane

Circular describing the Avro 627 Hailplane, which is a single-seat biplane designed for delivering air mail. Details regarding the fuselage, wings, tail, landing gear, power installation, characteristics, performance, drawings, and photographs are provided.
Date: August 1931
Creator: unknown
System: The UNT Digital Library
Breguet 390 T Commercial Airplane (French): A Ten-Seat All-Steel Sesquiplane (open access)

Breguet 390 T Commercial Airplane (French): A Ten-Seat All-Steel Sesquiplane

Circular presenting a description of the Breguet 390 T, which is a three-engine all-metal transport sesquiplane with the same structural principles as the Breguet military airplane. This aircraft design replaces a girder fuselage with an orthodox rectangular fuselage with accommodations for ten passengers and baggage. Details of the design, components, flying qualities, drawings, and photographs are provided.
Date: August 1931
Creator: unknown
System: The UNT Digital Library