1951 catalogue. Front cover.
1951 catalogue. National Amplifiers with bird fronts.
Models 1202, 1212 & 1275
1951 catalogue. The 'Grand Console', double neck electric Hawaiian guitar.
1951 catalogue. 'New Yorker' electric Hawaiian guitar and 'Dynamic' electric Hawaiian guitar.
1951 catalogue. Model 1088 'Triplex Chord Changer' and Model 1010 '8 string electric' Hawaiian guitar.