Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 803
ses the registering gau^ecoases to work, the staff gauge must be used for hourly and high and low water observations in the usualmanner. The record sheet should always bear upon it the names of the station and observer, the numberand scale of the gauge, the dates of beginning and end of the record,… … After taking these precautions and getting the instrument well started, each Coast Survey Observeris required to visit his station every day until he is sure all is going right, when it is deemed sufficientfor him ordinarily to visit it every other day, observing the following directions. 1. The…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-229-169.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-227-168.webp)