The History of the Royal Society of London/Part 2/Paper 7

by William Brouncker

EXPERIMENTS

Of the Weight of Bodies increased
in the FIRE:

Made at the Tower, and the Account
brought in by my Lord Brouncker.

1. Copper and Lead.
	d.	gr.
The Copel weighed	10	83/32
Lead	4	9
Copper	0	6
Into the fire all three	14	232/32
Out of the fire	15	48/32
Gained	0	52/32

Besides what the Copel lost in Weight, supposed to be about three Grains.

2. Copper and Lead.
	d.	gr.
Copel	10	2
Lead	4	93/4
Copper	0	6
Into the fire all three	14	173/4
Out of the fire	15	119/32
Gained	0	727/32

3. Lead alone.
	d.	gr.
Copel	10	329/32
Lead	4	9
Into the fire both	14	1229/32
Out of the fire	15	1419/32
Gained	0	1022/32

 

4. Lead alone.
	d.	gr.
Copel	10	107/8
Lead	4	9
Into the fire both	14	197/8
Out of the fire	15	15/64
Gained	0	513/64

 

5. Copel alone.
	d.	gr.
Into the Fire.	10	5
Out of the Fire	10	13/8
Lost	0	35/8

 

6. Copel alone.
	d.	gr.
Into the Fire.	10 wanting	73/4
Out of the Fire	10 wanting	9
Lost	0	11/4