There are 3 drawings for part 2-1888 available in AirCorps Library

Manufacturer's Drawing

Boeing Aircraft Corporation,   B-17 Drawings - Late,   Page: --,   Revision: ac  

BRKT. INST. SIGHT CONTROL

Associated Aircraft:   B-17  

Manufacturer's Drawing

Boeing Aircraft Corporation,   B-17 Drawings - Late,   Page: --,   Revision: e  

BRKT. INST. SIGHT CONTROL

Associated Aircraft:   B-17  

Manufacturer's Drawing

Boeing Aircraft Corporation,   B-17 Drawings - Late,   Page: 1a,   Revision: e  

BRKT. INST. SIGHT CONTROL

Associated Aircraft:   B-17