Unidentified artist 1897 Lavatar's Apparatus for Taking Silhouettes (From an Ancient Engraving of 1783)
Book illustration Creative Commons - Wikipedia Thomas O'Conor Sloane, 1895, Facts Worth Knowing Selected Mainly from the Scientific American for Household, Workshop, and Farm Embracing Practical and Useful Information for Every Branch of Industry., (Hartford: S. S. Scranton & Co.)
