#history #fish #sea #map
Eastern Fishing Grounds
A map to ponder on Earth Day.
from: A World Geography for Canadian Schools; Denton and Lord; 1937-1948; J M Dent and Sons.
#history #fish #sea #map
Eastern Fishing Grounds
A map to ponder on Earth Day.
from: A World Geography for Canadian Schools; Denton and Lord; 1937-1948; J M Dent and Sons.
#lighthouse #ocean
Constructional Details of Three Types of Lighthouse
Cross-sections through a caisson lighthouse, a rock lighthouse and a screw-pile light. These drawings show the structure of the house, position of the lanterns and dimensions in relation to the surrounding water. Note the solid proportions of the masonry. The base of the rock light structure is dovetailed into the live rock and the structure grows above it. The screw light, as the name indicates, is literally screwed into sand or coral. The caisson light’s base is sunk and fitted with concrete.
from: The Wonderful Story of the Sea; AC Hardy; c1950; Odhams Press, London.
#shipping #ships
Plimsoll Markings
from: Tommy Trent’s ABC’s of the Seaway; 1988; The St Lawrence Seaway Authority.
A simplified book for kids, but very concise and detailed in presenting operations detail.
#cdnhistory #ship
Canadian Pacific Cruise Poster, c.1930
#SF #SanFrancisco #ushistory
San Francisco Beach and Great Highway [circa 1930?]
San Francisco’s famous “Ocean Beach” and “Great Highway”, a beautiful scenic artery along the popular recreational and playground region of the Golden Gate City.