TM-05866A-15_Sep1968.PDF
Manual for Marine Corp Radio Receiving Set AN/GRR-17, R-1490/GRR

Service log_1490s.pdf
Service log for two units S/N: 266 and 466

R-1490Pictures.pdf
Color shots of the R-1490 unit, position similar to manual pages.

Virgil Cheng , vr2xgm, 14-Jan-2007