This is an original 1905 black and white halftone print of the Aventine Hill and the Porta Trigemina in Rome
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1807 Copper Engraving Soil Analysis Implement Farming Tools Agriculture Art TCF2 EUR1 This is an original 1905"Apparatus for Analyzing Soils" This is an original 1807 black and white copper engraving of a Retort (fig. 1), funnels used for filtering soil samples (figs. B and B), an Argand's lamp (fig. E), parts of the apparatus used to measure the quantity of elastic fluid in calcareous soils (figs. F, G, H, and K), a graduated measure (fig. I), a stand for the Argand's lamp (fig. L), assorted bottles containing various reactant chemicals (figs. M, N, O, P, Q,