654

may 19.1670. Wind-Gun
26. Instt to draw faces &c in camera
Iun: 16. Whether merid-s alter, to be obsd

by whitehall Dial [here see]
nov.17. Watch equal to Pendul.
Break-Glase wth voice.
Dec:8. Book - of making Arches.
mar.2. H. in Air-Pump, & sequence.
Appulse of to starrs.
23. Motion of Flower in a bell-Glass.
30.1671. Bristol Tides rep'sted.
Apr. 6. Pores of wood wth .
20. Small concaue burns fiercer thn large.
may 25. Way watch.
Nov: 9. Clock wth piece of wire of 18 months
made to go 3 years.
23. Quadrant of 17in= to 24f.
30. Arch & cupola.
Tablature of musick.
Ian:11.1671/2 newtons Catoptr-Telesc.
18. H. way lodged in charaters.
Feb: 15 H. reflect - on Newton's Col'rs.
22. smoke & flame of a candle.
mar.7. Speedy intelligence.
28.-72. Buble of water & soap.
Apr.4. Glasses rubbed p'duce Colrs.
24 Prismatick Colrs.
Iun:19. Speaking Trumpet.
Iul.3. Refract-collects more Rays thn Reflect
nou.6. standing aboue 29 inches.
13. Whether Air made or sumed
by Burning.
Feb: 5: Rhubdology.
mar 12. H. read disc. of Weather-clock.
26-1673. Ol: Vitr. & water, &c Apr.2
Apr.30. H. read a paper of Arithc Instrts.
Iun: 4. Botled Ale for Respir-
nou: 13. water spread - it self
spring of Glass.
Ian.15.-74. expt shew -cant see lesse than 1'.
22. Astrom: Instt for alt, dist - &c.
Feb.12. Loadstone. wth interposition.
mar.12. Variaons all the ouer ^ /to/ found.
Apr.30.-75. Dipping Needles in water.
Dec:3. H. read his disc - of Quadrant.
17. Horiz. Sails.
Ian:21. H. noon of nae of Fire.
28. H. read his disc of Helioscopes.
Feb:11. Struct- of muscles. way for
Flying increase strength 20 times.
mar.4- Vossius de maculis
18. H. read in disc. of Light.
25.-76. Things tast less, & Of tast.

Iun.3.

Ref: CELL/RS/HF_s28  © Centre for Editing Lives and Letters