Avery's one-roller tide gauge. Figure 2, Appendix No. 9. Part II, Report of the Superintendent ... 1897, p. 481
Image ID: theb1165, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Photo Date: 1897 Credit: NOAA Central Library Category: Charting/Tides/Instruments/ • High Resolution Photo Available
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