223.1 Daniel BECKER or BECKHER [1594-1655?]. Spagyria Microcosmi, tradens medicinam, � corpore hominis tum vivo; tum extincto doct� eruendam, scite praeparandam, & dextre propinandam... 12� Rostochii: Litteris & impensis A. Ferberi 1622 British Library