North View of Park Avenue From 38th Street Showing Grand Central Terminal Size:S: 36 x 28cm A plank and two oil

A plank and two oil drums make up a lofty if precarious vantage point for these Alvechurch supporters as they watch their side in action against Wealdstone in the FA Amateur Cup tie

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 in pictures]

The forms and colours of common flints are extremely various

here termed 'variegated limestone

North View of Park Avenue From 38th Street Showing Grand Central Terminal Size:S: 36 x 28cm A plank and two oil