Ceskoslovenske Prototypy 1938 2nd ed.(Letov S50, Avia B-158) 2 cast

The second edition of this publication, this time in Aero format. Follows on from Aero No. 61 Czechoslovak prototypes 1938 Aero A-204, A-300 and A-304. Aero No. 89 describes in detail the development and testing of the Letov S50 and the second part of the Avia B-158 bomber in its first part. The publication contains a number of photographs from the course of the tests, including construction details, color previews and drawings.

The publication is in A4 format, full-color on high-quality coated paper, V2 binding, 52 pages, a number of photographs, color side views.