I 
I 
FACTS FOR BUILDERS. 
Bricks Required to Construct any Building. 
(Reckoning 7 Bricks to each Superficial Foot.) 
SUPERFI¬ 
CIAL FEET 
OF WALL. 
NUMBER OF 
BRICKS 
TO THICKNESS OF 
4 IN. 
8 IN. 
12 IN. 
16 IN. 
20 IN. 
24 IN. 
I. 
7 
15 
23 
30 
38 
45 
2. 
15 
30 
45 
60 
75 
90 
3 . 
23 
45 
68 
90 
xx 3 
*35 
4 . 
30 
60 
90 
120 
x 5 o 
180 
5 . 
38 
75 
113 
x 5 ° 
188 
225 
6. 
45 
90 
135 
180 
225 
270 
7 . 
53 
105 
158 
210 
263 
3 i 5 
8. 
60 
120 
180 
240 v 
300 
360 
9 . 
68 
135 
203 
270 
338 
405 
10. 
75 
150 
225 
300 
375 
450 
Cost of Tin Roofing per Square and 
Square Foot. 
The first column contains the price, per box, of tin; the 
second column shows the cost of tin per square (100 square 
feet) of surface; and the third column shows the cost of tin 
per square foot of surface. 
Flat Seam Roofing — 
$4.23.$2.21.$0.0221 
Cost with 14x20 tin. 
$6.25.$3.25. 
$0.0325 
4.50- 
.... 2.34 ..... 
.0234 
6.50. 
3.38 . 
•0338 
4 - 75 - 
.... 2.47. 
.0247 
6 -75 . 
3 - 5 1 . 
•0351 
5.00. 
• • * • 2 • 60 ••••• 
.0260 
7.00 . 
364..... 
.0364 
5.25. 
.... 2.73 . 
.0273 
7 -25 . 
3-77 . 
•0377 
5 - 50 . 
.... 2.86 . 
.0286 
7-50 . 
3-90 . 
.0390 
5 . 75 . 
.... 2.99 . 
.0299 
7-75 . 
4.03 . 
.0403 
6.00. 
.... 3- x 2 . 
.0312 
8.00 . 
4.17 . 
.0416 
( 
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I 
1000 shingles, laid 4 inches to the weather, will cover 100 
square feet of surface, and 5 pounds of shingle nails will 
fasten them on. 
One fifth more siding and flooring is needed than the num¬ 
ber of square feet of surface to be covered, because of the 
lap in the siding and matching. 
1000 laths will cover 70 yards of surface, and ix pounds of 
lath-nails will nail them on. Eight bushels of good lime, 16 
bushels of sand, and 1 bushel of hair will make enough good 
mortar to plaster 100 square yards. 
A cord of stone, 3 bushels of lime, and a cubic yard of sand 
will lay 100 cubic feet of wall. 
Five courses of brick will lay 1 foot in height on a chimney; 
6 bricks in a course will make a flue 4x12 inches; and 8 
bricks in a course will make a flue 8x16 inches. 
Cement 1 bushel and sand 2 bushels will cover 3% square 
, yards 1 inch thick, 4% square yards % inch thick, 6% square , 
yards inch thick. One bushel cement and 1 of sand will 
¥ cover 2% square yards 1 inch thick, 3 square yards % inch ' 
A thick, and 4% square yards % inch thick. “ 
I 
TO TELL TIME.OF TIDE. 
The time of high water at the places following may be found 
approximately for each day by adding or subtracting from 
the time of high water at New-York the hours and minutes 
annexed. «• tw h. M. 
New Haven, Conn... -f 3.1 
New London, Conn.. 4- i.x6 
Newport, R. I. — 0.22 
Norfolk, Va. -f- 0.56 
Norwich, Conn. -j- 2.5 
Ocean Grove, N. J... — 0.37 
Old P. Comfort, Va.. -f 0.37 
Philadelphia, Pa. -j- 5*37 
Plymouth, Mass. -f- 3.12 
Point Lookout, Md.. -j- 4.49 
Portland, Me. -j- 3.10 
Portsmouth, N. H- -j- 3.16 
Poughkeepsie, N. Y. 4.27 
Providence, R. I. -j- 0.7 
Richmond, Va. -j- 8.47 
Rockaway, N. Y.— 0.28 
Rockland, Me. -f- 2.55 
Rockport, Mass. -j- 2.50 
Salem, Mass. + 3-5 
Sandy Hook, N. J.... — 0.32 
Savannah, Ga. — 0.49 
Smithville, N. C.— 0.51 
VineyardHaven.Mass-f 3.35 
Washington, D. C... -j-11.54 
Watch Hill, R. I. -j- 0.53 
West Point, N. Y.... + 2.55 
Wilmington, N. C.... -j- 0.59 
H. M. 
Albany, N. Y.+ 9.39 
Annapolis, Md. + 8.57 
Asbury Park, N. J— — 0.37 
Atlantic City, N. J... — 0.29 
Baltimore, Md.-fn^S 2 
Bar Harbor, Me. + 2.50 
Beaufort, S. C. — 0.9 
Block Island, R. I... — 0.34 
Boston, Mass. + 3.22 
Bridgeport, Conn--j- 3-4 
Bristol, R. I.. — 0.2 
Cape May, N. J. +0.12 
Charleston, S. C.— 0.43 
Coney Island, N. Y.. — 0.20 
Eastport, Me. + 3« x 
Fernandina, Fla. — 0.19 
Gloucester, Mass. -f 2.57 
Isle of Shoals. + 3.11 
Jacksonville, Fla. -j- 0-36 
Key West, Fla. +0.55 
League Island, Pa... -j- 5.12 
Long Branch, N. J... — 0.38 
Marblehead, Mass... -j- 3.4 
Nahant, Mass. -f 3.2 
Nantucket, Mass. -j- 4.31 
New Bedford, Mass., -j- °- 10 
Newburyport, Mass., -j- 3.29 
EXAMPLE.— To ascertain at what hour it will be high tide 
at Sandy Hook on the 1st of July, find first the time of high 
water at New-York under that date, and then subtract 32 
minutes, as found in above table opposite Sandy Hook; the 
result is the time of high water required. 
WEATHER SIGNALS. 
No. 1 . No. 2 . No. 3 . No. 4 . 
Clear or Pair 
Weather. 
Temperature 
Signal. 
When black triangular flag is placed above white or blue 
flag it indicates warmer; when placed below, colder weather. 
For example—3, 1, 2 indicates warmer, fair weather, fol¬ 
lowed by rain or snow. 
