page 377 note * “Le Calcul Simplifié par les Procédés Mecaniques et Graphiques.” By Maurice d'Ocagne, Engineer of Roads and Bridges; Professor at the School of Roads and Bridges; Lecturer at the Polytechnic School. Second Edition. Paris, 1905.

page 378 note * One of these machines was, as is well known, purchased by the British Government, and employed in the General Register Office for the calculation and printing of some of the tabular results deduced from the English Life Table No. 3. (See English Life Table, 1864, Introduction, page xiii; also Gray's, Mr. Peter reference in J.I.A., vol. xvii, page 252, footnote.)—ED. J.I.A. Google Scholar