LARGE THEODOLITES USED ONLY FOR GEODETIC SURVEYS:--Stanley's
10- and 12-inch--14-inch Altazimuth--Col. Strange's 36-inch
Theodolite 293
CHAPTER X.
Surveying and Levelling Instruments, Theoretically and Practically Described. For construction, qualities, selection, preservation, adjustments, and uses; with other apparatus and appliances used by civil engineers and surveyors in the field. · 第 10 / 26 章