TY - CHAP DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Public Domain Mark 1.0 TI - Figure 101. Spiral of Steel for producing the Sound of a Gong T2 - The playbook of metals : including personal narratives of visits to coal, lead, copper, and tin mines; with a large number of interesting experiments relating to alchemy and the chemistry of fifty metallic elements ID - 5r039gc AU - Pepper, John Henry CY - London, England DA - 1862/// YR - 1862 UR - https://digital.sciencehistory.org/works/5r039gc KW - Mineral industries KW - Metals KW - Science--Study and teaching KW - Metallurgy KW - Steel KW - Scientific illustration LA - English ER -