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of theHand's motioni and this Index, being but a quarter of a Circle, is dl-vided into inches more or fewer according to the Scope which the Panneisband requires for their motion, but when the Relax fhall require more1‘oom for the hand, then the Chain is to be taken up one Link more, andso you will be ready for more play upwards and downwards: Which takingup may yet be again repeated, when there is occasion, or the time of yearrequires it.
Now if the Chain be placed near the Axletree, the motion will be the ni-cer and larger; if farther off, then it will be leß: For Example, the motion oftwo more than that of three, and 3 than that of 4, &c. as you may perceiveby the Figures 2, 3, 4, y, 6; which are placed in this Figure by the lowerend of the hand near below the Axletree thereof.
From this contrivance it was, that I have for this j or 6 years past madethese following Obscrvations.
1. That these Panneis of Deal-wood will move by shrinking most inSummer, and sweiling most in Winter seasons; but will vary from this, ac-cording to the Change to the then more or leß Heat or Cold, moisture ordrought, that the temper or season of the year, such as Spring and Fall doproduce; it being then more apt to swell or fhrink on the sudden, but not at-taining then to the highest shrinking or swelling, as in Summer and Winter itdoth.
%. That for the most part, especially in the Spring and Summer time thismotion happens only in the day time; for then generally all night it rests andmoves very seldom.
3. That one kind or manner of this motion happens in dry fair Weather,but sometimes in the forepart of the forenoon, and sometimes not until the sat-ter part of the forenoon, and then at that time it relaxes or swells the Deal forabout two or three hours; more, seldom; leß, osten; and then all the after-noon aster shrinks; nay, forne times even when a small rain hath newly fallen,or is then falling ; and this not so osten, but more seldom in Winter, or Coldmoist Weather.
4. This Shrinking is gradual very osten, or for the most part a little affera moist time (•vix,.) the first day aster Moisture it shrinks a little, the secondday more, and so yet more according to the then time of year, and as it is theninclined to moisture or drought, and alteration of the Wind and the then Heator Cold.
5. The Winds being in the North, North East, and East, Winter andSummer, for the most part at that time the Deal shrinks in the Night alsoas well as in the Day; but not so much : Which is a iign of drying Wea-ther, and sometimes of Frost or Cold in Winter ; Heat or Scorching inSummer, in a ciear Day. But on the contrary, the South Winds blowing,or the West and Southwest, the Deal then always relaxes that Day, or atlea st is at a Sray, provided this happen in the Day time; for then, if inthe Night, not so much; and so this will do some confiderable time beforeRain.
6. ßy a constant Obftrvation of this Experiment of the Deal s Motion and
Rest,