Number of bricks required in a wall of different thickness per square foot of surface wall. The dimensions of common bricks are from 7* to 8 inches long by 4* wide, and 2* inches thick.

Thickness of wall.

Bricks.

4 inches ..................

..7 1/2

8 inches ..................

.15

12 inches .................

..22 1/2

16 inches .................

.30

20 inches .................

. 37 1/2

24 inches ................

. 46

28 inches .................

..52 1/2

32 inches .................

.60

36 inches .................

.67 1/2

42 inches .................

.75

Per Cent. of Alcohol in Liquors.

In a scale of 100, the following shows the per cent. of alcohol in various kinds of liquors. The reader will understand that the per cent. here given is founded upon the fact that each liquor is tested under the most favorable conditions. Various conditions would change the rate per cent.

Kind of Liquor.

Per cent.

Scotch Whisky ......

.......54 1/2

Rum .............

.......53 3/4

Brandy ...........

.......53 1/4

Irish Whisky ........

.......53

Gin ..............

.......51

Madeira ............

....... 22 1/4

Port ..............

.......22

Currant Wine .......

.......20 1/2

Teneriffe ..........

.......19 3/4

Constantia .........

...........19 3/4

Sherry ............

...........19 3/4

Cape Muscat ........

.......18 1/2

Kind of Liquor. |

Per cent.

Malaga ...............

...17 1/4

Claret .................

.....15

Burgundy .............

.....14

Champagne (still) .......

....13 3/4

Champagne (sparkHing)

lg)...12 1/2

Rhenish ..............

....12

Gooseberry Wine .......

...11 1/2

Elder.........

.....8 3/4

Ale ...................

...6 3/4

Cider .................

....5 to 9

Porter ................

...4

Small Beer ............

....1..