Johnson, John Henry
Books
Specification of John Henry Johnson : furnaces
Specification of John Henry Johnson : furnaces for the prevention of smoke
Specification of John Henry Johnson : capsules
Specification of John Henry Johnson : destroying noxious exhalations
Specification of John Henry Johnson : artificial legs and feet
Specification of John Henry Johnson : plates for artificial teeth
Specification of John Henry Johnson : artificial dentures
Specification of John Henry Johnson : dental wash
Specification of John Henry Johnson : manure
Specification of John Henry Johnson : medicated and voltaic baths
Specification of John Henry Johnson : apparatus for supporting the womb
Specification of John Henry Johnson : apparatus for treating diseases
Specification of John Henry Johnson : apparatus for preventing sea sickness
Specification of John Henry Johnson : artificial palates
Specification of John Henry Johnson : instruments for assisting the sense of hearing
