%0 Generic %A Lewis, William, %T Experiments and observations on American potashes With an easy method of determining their respective qualities. By W. Lewis, ... %U https://ezaccess.libraries.psu.edu/login?url=http://galenet.galegroup.com/servlet/ECCO?c=1&stp=Author&ste=11&af=BN&ae=N007946&tiPG=1&dd=0&dc=flc&docNum=CW106827840&vrsn=1.0&srchtp=a&d4=0.33&n=10&SU=0LRM&locID=psucic