bolograph (OED 1903) S. P. Langley, _Annals of the Astrophysical Observatory of the Smithsonian Institution, Volume I_, Government Printing Office, 1900, p. 38. online at: http://ads.harvard.edu/books/saoann/ "In the fall of 1895 a very considerable number of bolographs were taken under conditions not materially different from those of June, 1895."