Some Notes on Photographic Equipment and Methods for Travellers: Discussion

James A. Sinclair, Walter Scutt, Frank Debenham, Mr. Hinks, J. W. Evans, J. B. L. Noel
1922 Geographical Journal  
doi:10.2307/1781756 fatcat:qkxw2brucfgs7g2k4aolkhgqvu