Frauhofer diffraction patterns generated through different apertures mb-code 00667942 ] hanging from his neck

] hanging from his neck by a black ribbon

Two elegant women in cloche hats and fur coats sit in the back

Interior view of the choir of the old St Paul's Cathedral from the west

It halted for twenty minutes at St Paul's

Frauhofer diffraction patterns generated through different apertures mb-code 00667942 ] hanging from his neckIllustrations of optical phenomena: seven figures (numbered 135 141) of spectral distribution and intensity in Frauhofer patterns produced by white light shone through a variety of apertures, including circles. Plate 15 from the monograph 'Die Beugungserscheinungen aus den Fundamentalgesetzen der Undulationstheorie analytisch entwickelt und in Bildern dargestellt' [Diffraction in the fundamental laws of wave theory developed analytically and presented