Glide Bombing Attachment- Students' Manual, USAAF Training Command Frank Fighter including a few fold-out pages

including a few fold-out pages

although it is reading is inaccurate (the indicator shows that it is currently traveling at 35 MPH)

the narrower pointer which indicates airspeed in 10 km/h increments rests behind the thick pointer

The top of the case is marred from adhesive tape

Glide Bombing Attachment- Students' Manual, USAAF Training Command Frank Fighter including a few fold-out pagesThis is an original WWII era Students' Manual for the Glide Bombing Attachment for the M Series Bombsight (i. e., Norden). Published in 1944, this manual provides familiarizes the student bombardier with the glide bombing attachment (GBA) and its use. The M Series Bombsight was developed to bomb targets while in level flight. The GBA expands the use of the bombsight during evasive maneuvers, such as climbing or diving. The manual is in very good