Scientific American, Vol. 5, No. 45 (July 1850)
A weekly issue of Scientific American, published July 1850 by Munn & Co. in New York for inventors, mechanics and patent applicants. The wood engravings run from fretwork masthead borders and blackletter column headings to a small vignette of a colonnaded public building and letter-keyed motion diagrams of rotating linkages drawn in solid and dotted line; useful for engineering line work, display lettering and squared ornament.
