Through birdland byways : with pen and camera (1910)
Pike, Oliver G. (Oliver Gregory), 1877-1963 · London : Jarrold & Sons · leaf 320
R Z Binoculars ARE UNEQUALLED FOR THEIR Exquisite Definition Very Large Field of View- Great Illumination High Power The Glasses are strongly constructed, very handy and convenient in use, being focussed by a rack and wheel, and not as in some other models by rotating the eye-cups. They are adapted… … For all Photography where Detail, Definition, and Speed are essential the Goerz Lenses are unrivalled. SEND FOR BOOKLET No. ioo FREE ON APPLICATION TO C. P. GOERZ OPTICAL WORKS, Ltd., 1-6, Holborn Circus, London, E.C.
Birds · Photography of birds
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.