1851 Great Exhibition: Official Catalogue: Class VIII.: John and Thomas Forster
168. FORSTER, JOHN and THOMAS, Streatham — Inventors.
Boat, built of wood coated on both sides with a compound of gutta percha and India rubber.
Sections of boats and small cases, of the same.
Samples of waterproofing.
Accoutrements made of the same.
Specimens showing the effect of shot.