Show N X aap we t MA r 1 e 4 A 1 I 1 A 2 5 ZM Z 7 M I 1 P 1 vt I 1 V te W 1 e I 1 I 1 1 I HEAVING THE LOM LOG an A old time core mony aboard shiv ship which always alway proved brov d to the passengers before the patent log ame mme into existence the old fashioned log was the only means of measuring a ships ship rate of sa sailing fling it has one advantage over the former inasmuch as a vessels ves seyl speed can be told by it at any given instant while the patent log is mr mainly in useful tor for recording reco iding a considerable distance run the old fashioned log consists of four pieces namely the log chip the reel the line and the th sand glass the log chip is a flat piece of thin i board loaded with lead on the circular side aide so that it will float boat upright on the water and to which the log line 1 Is fastened in the same way that a bow kite Is rigged to receive the string the line li Is fathoms or more I 1 in n length and is divided into certain ertain spaces called knots the reel is made to turn very freely so that it will offer no resistance when the log chip is thrown overboard the sand glass contains just enough grains to pass from one bulb to the other in half a minute of time this h lre of measuring ing a ships rate of sailing is quite simple the idea is that the length between each knot is the same part of a mile as aa h halt a if a minute is of an hour therefore the knots are placed 51 feet apart what is called leaving heaving the log Is thus performed one man holds the reel another the half minute glass the ter eer throws the log chip over th the stern stem and walts waits a moment until enough line lind has run out to carry the chip out ol of the eddy of the ships wake and then calls turn the man holding the th glass reverses it and watches until I 1 hs sand has run through when he crie stop the officer immediately stop the line and notes the number of knots run off which represents the rate of speed per hour harpers round table |