VINTAGE..1931 HEATH LNB-4 PARASOL..HISTORY/3-VIEWS/SPECS...RARE! (160)

VINTAGE..1931 LAIRD SOLUTION ..4-VIEWS/NOTES....RARE! (698A)

VINTAGE..1931 LAIRD LC-DW-500 SUPER SOLUTION...4-VIEWS/SPECS/DATA..RARE! (959M)

VINTAGE..LAIRD LC-DW-500 SUPER SOLUTION...4-VIEWS/MEASUREMENTS....RARE! (95D)

VINTAGE..1931-36 TAYLOR E-2 "CUB"..3-VIEWS/SPECS/STRUCTURE...RARE! (356)

VINTAGE.1931 MARTIN BM-1 & BM-2 ..4-VIEWS/SPECS/DETAILS...RARE! (973F)

VINTAGE..1931 SUPERMARINE S.6B & 1930 TRAVEL AIR MODEL "R"..3-VIEWS.. (338C)

VINTAGE..1931 MARTIN BM-1/2...3-VIEWS/MEASUREMENTS/SPECS...RARE! (24)