held to the fire, burned Gloves and Garments at the diftance 
of about three foot from the Fire. 
Which were the particulars, the R. Society obferved in thefe 
Ghffcs, and gave order to be Regiftred in their Books ; encou- 
ragiag the Inventor to proceed in this Work with all poffible 
care and diligence, for enabling himfelf to ir. ft raft others in the 
way of Grinding thefe GUffes with facility. 
The Inventor having declared his refolution to do fo, added 
thefe Particulars. Firfc That the Lord Biftopof Salisbury, 
Sethward (who was then abfent from the Meeting of the Soci- 
ety ) had been by, when the deeper of his two Concaves turned 
a piece of Wood into flame in the fpace of ten fecondsof time 5 
and the fha/lower, in five feconds at moft, 
* Ms the [aid judicious in the feafen of Autumne, about 9 of the 
?;t &sftss t ck the mor r g l «! he u w f ther 
be true. gloomy. Secondly , That the deeper 
Concave, when held to a lucid body, 
w juld caft a light ftrong enough to read by at a confiderable di- 
ftance. Thirdly, That expofingthe fame to a Northern Win- 
dow, on which the Sun fhined not at all, or very little, he had 
perceived, that it would warmeon's hand fenfibly, by colle&ing 
the warm'd Air in the day-time 5 which it would not do after 
Sun-fet. 
An Account 
of {ome observations, made by Mr. Samuel Coleprefie at and 
nigh Phmouth, A. 1667. byway of Anfwer to fomeofthe 
Queries concerning Tydes,fr^jf'^Numb. 17 and 18. 
i.^\Ur Dittrnal-Tydcs from about the latter end of March till 
the latter end of September are about a toot higher (per- 
pendicular, which is alwayes to be underftood) in the Evening , 
than in the Morning, that is, in every Tyde, that happens after 
1 2. in the day before 12. at night. 
a. On the contrary , the Moming-Tydes from Michaelmas 
till our Lady -Day in March again, are conftantly higher by a- 
bout a foor, than thole, that happen in the Evening, And this 
proportion 
