1922 — 1960 CRYSTAL RADIO ADS Various crystal radio ads through the ages.
1922 Popular Mechanics Micr-O-Phone.
1928 Popular Mechanics Mystic Crystal.
1933 Popular Mechanics Little Wonder (Philmore?) 
1936 Popular Mechanics Tinytone — Western Manufacturing / Midway Company. 
1937 Popular Mechanics Little Giant.
1937 Popular Mechanics — CathedralCrystal Radio Kit
1946 Popular Science Pa-Kette — Western Manufacturing / Midway Company.
1947 Popular Science Pakette — Western Manufacturing / Midway Company.
1947 Popular Science Pa-Kette — Western Manufacturing / Midway Company.
1948 Popular Science Tinymite — Western Manufacturing / Midway Company.
Tinymite store display card.
1949 Popular Science Dick Tracy.
1950 Billboard Magazine Dick Tracy. 

1952 Popular Science Rocket Radio.
1952 Popular Mechanics Tinytone — Western Manufacturing / Midway Company. 
1958 Billboard Magazine Bronson. 
1958 Popular Mechanics Miniman. 
1958 Popular Science Pee Wee — Western Manufacturing / Midway Company.
1958 Popular Mechanics Ti Nee — Western Manufacturing / Midway Company. 
1958 Billboard Magazine Lark. 
1958 Popular Science Borg «Lasts a lifetime»! «For the first time ever» Ha ha, not quite Borg, you were about 38 years to late on this one!
1959 Popular Science Tinytone — Western Manufacturing / Midway Company.
1959 Billboard Magazine Rocket Radio mistakenly? advertised as a transistor radio
1959 Popular Science Miniman.
Circa 1960 Japanese Miniman Ad. 