Glide Bombing Attachment- Students' Manual, USAAF Training Command Frank Fighter although it is reading is

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

Measures ~10 in x ~4

which cages (Fest) or releases (Los) the gyro

LP-21-A Rotatable Loop Antenna

The signal would cause the needle to traverse left or right of center

Glide Bombing Attachment- Students' Manual, USAAF Training Command Frank Fighter although it is reading isThis 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