Diaphragm (optics) 1889 "Dictionary of Photography" (see figure), but disappeared after Ernst Abbe's theory of stops unified these concepts. According to Rudolf Kingslake, the inventor of the iris diaphragm is unknown. Others credit Joseph Nicéphore Niépce for this device, around 1820. Mr. J. H. Brown, a member of the Royal Microscopical Society, appears to have invented a popular improved iris diaphragm by 1867. Kingslake has more definite histories for some other diaphragm types, such as M. Noton's adjustable "cat eye" diaphragm of two sliding squares in 1856, and the Waterhouse stops of John Waterhouse in 1858. Diaphragm (optics) In optics, a diaphragm
As the Flower Withers 2001's "The Dreadful Hours", with its title being slightly changed to "The Return to the Beautiful". Live versions of "The Forever People" can be found on the limited edition versions of "The Angel and the Dark River" and "For Darkest Eyes". This song is often played as the last song of the set in many of the band's live shows. Additional personnel As the Flower Withers As the Flower Withers was the first album by Yorkshire-based doom metal band My Dying Bride. The artwork was designed by Dave McKean. This is the only full-length My Dying Bride album on which