Manual of modern surveying instruments and their uses .. (1893)
Lietz, firm, math. instr. makers, San Francisco. (1893. The A. Lietz company) [from old catalog] · [San Francisco] The Company · leaf 184
t in the Empire, the object has beenattained. It is perfectly reliable within the scope for which itwas intended. Every part is carefully made and nicely finished,and its cost is less, in comparison, than the article that is usuallydisplayed with nails, pots and frying-pans in the windows ofour… … SEISMOGRAPH The engraving shows an improved and simplified seismo-graph, as suggested-by E. Brassart, of the Geodynamic Institutein Rome, Italy. Excellent results have been achieved, and wewould recommend the use of such an apparatus, or a similarone, in our Pacific Coast States, where so little is…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
