Photography is one of the most interesting forms of art in the world today because it allows you to capture everyday life as it happens. While it is something that has been around for centuries in the ...

IN the course of some experiments on Poisson's ratio by Cornu's method 1, one of us (B. J. G.) used a photographic method of recording the observed fringes for sodium light. Ilford Thin Film Half Tone ...

IN a recent communication, Hough and Goldsmith 1 have described a method of increasing the sharpness of interference fringes by high-contrast photography with controlled exposure. Although the ...