The length of a knot for a fourteen second glass is 23.64 feet 23 feet 7 inches nearly. The length of a knot for a twenty-eight second glass is 47.29 feet 47 feet 3 inches nearly. The length of a knot for a thirty second glass is 50.66 feet 50 feet 8 inches nearly. This log is hove from the lee quarter and as soon as the red rag is on the taffrail, the glass is turned and the speed of the ship will be the number of knots run over the rail while the sand in the glass runs down. The examiner does not as a rule require the applicant to perform this calculation. The answer to the question as given on page 29, is all that is necessary. Life Saving Station LSS. (T).... •signifles connection with telegraphic system. Kelp................. No bottom at 20 fathoms Red buoy ........... or add word white or yellow as required. ..20 etc Current, not tidal, drift in knots as........................................................................ 2.0 " flood first quarter, drift in knots, as....................` |