Scientific American, Vol. 17, No. 17 (October 1867)
A weekly issue of Scientific American from October 1867, published in New York for inventors, patentees and working mechanics reporting new machines and patent claims. Wood engravings show pumps, rotary engines, valves and hand-cranked domestic machines, often cut away and lettered with reference keys; useful for hatched metal shading, sectional views and small labelled diagrams inset into larger figures.
