Section 4171, act Aug. 16, 1954, ch. 736, 68A Stat. 489, imposed a 10 percent tax on cameras, camera lenses, and unexposed photographic film on rolls and a 5 percent tax on electric motion or still picture projectors of the household type.

Section 4172, act Aug. 16, 1954, ch. 736, 68A Stat. 490, defined certain vendees of unexposed films as manufacturers for purposes of payment of the tax imposed by section 4171.

Section 4173, act Aug. 16, 1954, ch. 736, 68A Stat. 490, granted exemptions for specified types of cameras, lenses of specified focal lengths, and certain types of film.