Measurement of vessels for the Panama canal (1913)
Johnson, Emory R. (Emory Richard), 1864-1950, United States. War Dept · Washington, Govt. Print. Off. · leaf 279
cc and dd=side openings under deck covering.E=space exempted.bb< i aa.H=spaces measured. 230 MEASUREMENT OF VESSELS FOR PANAMA CANAL. Fig. 10.—Bridge. … c L__L-_! lb J a bb>£aa. cc and dd=side openings.E=spaces exempted.M=space measured. E=light and air and funnel space, in lowest tier of erections,measured under Art IV, Sec. 3. Fig. 11.—Continuous deck with opposite side openings. c d e e