ides. The rudder, On the faces of the plate are also arranged tables which is placed at the side, is said to prove quite as ef- for figuring lengths. The edges of the sides of the fective as a modern one placed at the stern. The ves- plate have marginal lines marked B, SB, T, ST, for sel is 74 feet… … tion relative to the scale, otherwise the adjustment a thermometer—which nearly every one-possesses—to may be lost. have a hygroscope or hygrometer of some kind that \The percentage of moisture in the air will be indi- gins are divided by lines indicated by even and uneven will either indicate the…
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