Specification of a patent for tightening leaky dams, and so constructing new dams as to secure them from leaking. Granted to John M. Syme, Richmond, Henrico County, Virginia, February 22nd, 1830

John M. Syme
1830 Journal of the Franklin Institute  
doi:10.1016/s0016-0032(30)90374-2 fatcat:6fpgxc642rg4lhuyikpfqmresa