[f. Gr. στάδιο-ν STADIUM + -METER. Cf. F. stadiomètre, according to Bouillet (1896), an improved stadia invented in 1861 by Dupuy de Podio.]
a. Mil. = STADIA a. b. (See quot. 1884.) c. U.S. Surveying. A modified theodolite in which the directions are not read off, but marked upon a small sheet, which is changed at each station (Cent. Dict., 1891).
1862. Catal. Internat. Exhib., II. XI. 8. The stadiometer, for judging distance, has been adopted by Government.
1871. Heather, Math. Instrum., III. 84. Edgeworths Stadiometer or surveying instrument.
1884. Knight, Dict. Mech., Suppl. s.v., The geographic stadiometer is designed to show at a single reading the measure of any line, right, curved, or broken, on maps or charts executed on any scale.