Sir Robert Moray produced unnealed Glasse hollow balls with a small hole in them, which being held in ones hand till they are heated (the hole thereof being stop'd with the palme of the hand) will fly in peeces.My Lord Brouncker intreated to try the Experiments of two Pendulums.
That Dr Goddard be pleased to try the velocity of sinking of bladders in water, and The Lord Brouncker in Aire.
Dr Ent intreated to give in writing some considerations why it is hotter in summer then in winter.
That the Next dayes debate, bee about appointing or altering the time of the Society's meeting.
Dr Glisson subscribed his name.
That the Amanuensis provide two balls of equall bignesse, the one of lead, and the other of corcke against next day.
The Amanuensis promised to procure a stone, which being opaque would grow transparent in cold water.