Bulkhead posters & prints

Bulkhead to retain compressed air in the Rotherhithe Tunnel, London, October 1906 Unknown

Bulkhead to retain compressed air in Rotherhithe Tunnel, London, October 1906 Unknown

Map No. 441 Bounded by Fourth Avenue, 138th Street, ... Harlem River Line of Water Grant, Bulkhead & Pier Line,... Anonymous

Design for the Baker Submarine Anonymous