Concept
Ear Protective Devices
Catalogue
- Books
- Online
Specification of Frederick Charles Rein : apparatus for excluding sound from the ear.
Rein, Frederick Charles.Date: 1865- Books
Hearing hazards and recreation / [prepared for the Department of the Environment and the Central Office of Information by the Noise Advisory Council].
Date: 1977
- Books
- Online
Specification of Francis Fearon : softening or deadening sound.
Fearon, Francis.Date: 1865
- Books
- Online
Specification of William Clark : ear stoppers.
Clark, William.Date: 1867
- Books
- Online
Die neueste Erfindung : das Antiphon : ein Apparat zum Unhörbarmachen von Tönen und Geräuschen / von M. Plessner.
Plessner, M.Date: [1884?]