Employment for the microscope ... I. An examination of salts and saline substances ... also ... considerations on gems, poisons ... and ... other subjects. II. An account of various animalcules ... and ... other ... discoveries ... Likewise a description of the microscope used / In two parts : illustrated with seventeen copper plates by Henry Baker.

Licence: Public Domain Mark

Credit: Employment for the microscope ... I. An examination of salts and saline substances ... also ... considerations on gems, poisons ... and ... other subjects. II. An account of various animalcules ... and ... other ... discoveries ... Likewise a description of the microscope used / In two parts : illustrated with seventeen copper plates by Henry Baker. Source: Wellcome Collection.