Diagram depicting depth of water as related to angle and scope of dredge rope
for operations conducted off the United States Fish Commission Steamer ALBATROSS
. Cut 68 in: "Deep-sea exploration : A General Description of the Steamer
ALBATROSS, Her Appliances and Methods," by Zera L. Tanner. 1897.
NOAA Central Library Call No. VM453 .T36 1897 .