Page:Philosophical Transactions - Volume 001.djvu/395

Rh for some years past, and found them differing from former Observations and Tables; the other promising future diligence in this matter; noting in the mean time, that some Tydes of last Autumn were so far differing from former Observations, that neither he, nor any others there, could make any thing of it.

We must not omit here to mention the readiness, expressed by these worthy Gentlemen, Mr. ''Rob. Boyle, Sir Rob. Moray, and Mr. Henry Powle, for concurring in this Work; the first, having undertaken to recommend Observations of this nature, to be made, upon the Western Coast of Ireland *; the second, upon the West of Scotland; and the third, in the Isle of Lundy; to whom we must adde the inquisitive Mr. Sam. Colepresse, for Plymouth, and the Lands-end''. Besides, we hope to engage the curious of France in the same undertaking, especially for procuring, besides what is known already concerning that place, a very particular and exact account of the Tydes upon the Coast of Britany, where (especially about St. Malo) they are found to rise to admiration, even to 60. 70. and sometime 80. feet, at the New and Full Moon.

As there have been Remedies found out against excessive Heat, and Means of cooling Meat and Drink; so it was lately, on the occasion of the sharp Season, suggested, That Remedies might be thought on against Cold; and that particularly it might be inquired into,

1. What things in Nature, or by Art, or Mechanical contrivance will retain a warming Heat longest, or a melting or scorching Heat?

2. What will continue or maintain Fire longest?

Some that observe common practises and vulgar Trades, take notice, That Joyners use Leaden-Pots for their Glue, alledging for a Reason, That Lead, being a close Mettal, retains the heat Rh