(Page 679-682) Observations of tides at the United States International Polar Station, Uglaamie, Alaska

The tide gauge (see hdl:10013/epic.31312.d001 for the construction plan) is a wooden frame-work standing on the ice over the hole H. A Line, L, passes from the 200 pound anchor through the hole H over pulleys PP, and terminates at the counterpoise C; this counterpoise weighing about 20 pounds. A fixed wooden scale, S, attached to the frame of the gauge, was subdivided to feet and tenths and hundredths, and to the line was attached an index which, moving along the scale, gave readings showing the stage of the tide. […]