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[In margin]112.   Iune 3. about Salt Springs --- Mr. Hooke took occasion vpon the mention ^ /made in/ of the said discourse of a
not ordinary hole, to relate that he had been informed by a freind of his liuing at Bristoll, that neer that City there was
a hole of an extraordinary depth, in which of a great Distance from the surface of the earth there did
run a River which being sounded was of a vast depth He sayd he was promised a more particular account
of the observables of that place. [of Purchas's perforated mountain in Brazill.] -- Mr Hooke Related that
there was a place in Cheshire belonging to the Ld Brereton, where men hauing digged to a good Depth for
water, to make salt but met wth none, they lighted of Last vpon a stiff clay ground which when they had
bored into a matter of 5 or 6 foot the salt water from vnderneath the said bed of clay, gushed out with soe great
a violence and quantity as to fill the well (which was some hundreds of feet Deep), to the top [Sr Ion Long of
springs & petrifyed shells. about St foix &c.
[In margin]114.   Iune 10. discourse from Paris concerg origine of Rivers. by Rain obserued --- Mr. Hooke said that the
same had been performed & proposed to this Society here many years agoe by Sr Christopher Wren who
by the contrivance of a Rain bucquet had taken an account of the water that fell for a long time to-
gether, and by his weather clock had among other particulars, not only taken in the measuring of Rain
the quantity of Rain that falls but also the time when it fell, and how much at each time. Which gave
occasion to mention the excellent vses to be made of tht instrument if putt into practise. for as much
as it is by some additions made therevnto by mr Hooke adapted to Record the weight of the air, the heat
drought moisture heat and cold of the weather the quarter & strength of the winds. the Rain sunshine
&c, all which to be done by one motion driving all the parts of the Instrument, which is the more con
siderable for that it self Records its own effects. --
[In margin]115   Iune 17. Grew Read of trunks of plants. -- Sr. W Petty enquired concerning warping of wood ----- Mr
Hooke said there was a fermentation in the liquors of Wood which required a considerable time to doe its
work, which was by making the liquors work vpon one another. to separate the moisture without
which there was noe fermentation, & which being driuen out the wood was then Seasoned & soe warped
not soe that by destroying the fermentatiue principle the wood was preserued and made to Re-
tain its figure & so kept from warping. [about Rising of the sap in plants Grew. mr Henshaw by suc
cessiue heat & cold. soe malpighius. -- mr Hook added that twas worth a more particular inquiry
[In margin]117.   Iune 24. Mr Hooke produced again his helioscope which had 3 Reflections. the first Reflecting 1/5
the 2d. 1/25 & the 3d. 1/125. of the Direct Light of the sun to the eye. It being asked whether by it he
had obserued any spotts in the sun, he answered that at present there were none that he could see.
[Plots Earth from Oxfordshire. [Iohn Gregorys Letter Iune 1675. at another way to Obserue the motion
of the earth. cc Differing from that of Mr Hooke published some times since. -- Mr Hooke said
that he made mention of this was also in his printed Book which he was desired to shew .
[a pare out of a pare fro paris)
[In margin]118.   Iuly. 1. [Letters of Flamsted abt Eccl. . obserud Iune 26. -- of Ray abt. fish bladders. -- of Lister about obserus of natur
rall things in Barbadoes. -- of malpighj abt. galls of trees.
[In margin]119.   Iuly. 8. The Curator shewd an Expt. concerning the resistance of air to a ball moued with & without
an expanded Area. of which he was Desired to bring in a particular account in writing. [Society adiou
[In margin]120.   Oct. 28. Grew Lecture of neruous liquor. [Letters - of Cruzado Spanish professor of mathematicks about a first
meridian at the Isle of Abruxos neer Brasill vnder the Line. & a new way of adiusting the motions of the moon
-- of travaginj of fixing quicksiluer. tryed by Mr Boyle as fixt but lighter than siluer
[In margin]121.   Nou. 4. [plots mineralls. --- Mr. Hooke Read a lecture wherein he explained a way mechanicall
contrivance to supply the pabulam of a Lamp. in the same degree it is consumed or to keep the super
ficies of any liquor that is fit to feed the flame of a Lamp. always at the same height till all bewasted
And hauing both described & Deliverd one way of performing this. he promised to bring in diuers others
ways to effect the same thing.
[In margin]122.   Nou. 11. Grew examines Dr Castles petrifyd wood. -- [Letter from Dijon abt motion. [Ld Marshall abt a -
copper mine neer Scotland. tingin cattles teeth like copper. --- mr Hooke Read another Lecture
about diuers other ways of keeping the pubulum of a Lamp always at the same height with the bottom of the
flame thereof vntil all the Liquor be consumed. of these ways he Explained 7 or 8 more -
[In margin]123.   Nou. 18. Comtee of accounts. Redding Barrington Croon Haak Hooke. - Papins paper of Expts.
Directed by Huygens for air pump for making of air &c. --- Newtons answer to Linus. & about his
theory of colours.
[In margin]125.   Nou. 25. Dr Wal Needhams expt. of the inosculatio of the lymphatick of the Liuer & the pori bilarij. &c. & read a discourse De
Sera sanguinis. [Buschofs booke of the Gout & moxa. Nou. 30. Election day.
[In margin]130.   Dec. 2. an account of Buschofs book read --- Mr Hooke was of opinion that the substance conceald by this author was a kind ^ /of spunk/
Iessops Lettr. of fulminating Damps. --- Mr. Hooke mentiond herevpon that there were 2 sorts of Damps, the one of a
moist & Grosse nature falling downwards. the other Spirituous & very apt to catch fire & to flame. Adding that
heretofore in a well on banstead Downs about 300 foot deep he had let down a candell burning to the depth
of 200 foot, but then going deeper the candell went out. ------ Mr Hooke produced one of his contri
vances of Lamps formerly by him discoursed of which he employed to the Company, Seruing to keep water
as well as food for Lamps at the same height, and being vsefull to keep a constant Degree of heat for hatching
of Eggs, as also to vary the Degrees of heat, & to anneale glasse for toughnesse and likewise to anneale Iron to the
softnesse of Lead.
[In margin]131.   Dec. 9. [newtons theory of light & colours. & Expt. about Electricity.
[In margin]134   Dec. 16. [newtons Expt tryd but faild. oldenb to accquaint newton of it: the hypothesis read. to to which Mr Hooke
said that the main of it was conteind in his micrography, which Mr Newton in some particulars only had carried farther
[In margin]135.   Dec. 30. newtons answer & direction about his Expt. which were orderd to be followed in making tht expt next day
Obiections of Linus from Leige. Auburys observations about Wiltshire. blew Clay fit for Porcellane - rich Iron Oare

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