* Weight of Hempen Rope 1 foot long, 1 inch circumference 0.045 lb.

8.

9.

10.

11.

12.

13.

A carat

Standard Silver

Standard Gold.

Mint price of Standard Silver
Mint price of Standard Gold.
30 Cubic inches of Gunpowder.
An iron ball 4 inches diameter

A leaden bullet 1 inch diameter

14. Seconds' Pendulum, Length (1) at Greenwich 15. log10

16. Cubic in. distilled water (Bar. 30 in. Ther. 62°) 17. Cubic foot

Barometer, Standard Height at 32° F.

= 1.75812.

= 1.50773.

= 3 grains.

= 37 parts Silver + 3 parts Copper. =22 parts Gold + 2 parts Copper. 5s. 6d. per ounce Troy.

= 997 136969

32. Vol. of Steam generated by Cubic foot of water = 883 Cubic feet.

33. Pressure of ditto per square inch

= 30 lbs.

THE END.

R. CLAY, SON, AND TAYLOR, PRINTERS, LONDON.