Frauhofer diffraction patterns generated through different apertures Size:M: 60 x 40cm general view of the remains

general view of the remains of the Roman villa on the site of the new Coal Exchange

the chinkapin shrub (Catesby's identifications

a battle class destroyer returns home to a warm welcome

photographed with his assistant Nicola Bryant who plays Perpugilliam 'Peri' Brown outside BBC's Broadcasting House

Frauhofer diffraction patterns generated through different apertures Size:M: 60 x 40cm general view of the remainsIllustrations 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