1955 Allied Radio & Electronics Catalog
http://www.alliedcatalogs.com/catalogs/1955-140/
Lotsa tube audio gear
More antique Allied Catalogs here: http://www.alliedcatalogs.com/catalogs_additional.html
And, when dinosaurs still roamed the earth: http://www.alliedcatalogs.com/catalogs_additional/1930/
/ed B