
Lime.
a bushel of limestone weights 114.℔ & makes 2. bushels of slacked lime.
| 1797. | Aug. by a tolerably exact trial 1. hhd. of unslacked limestone made 1½ hhd of slacked lime, wanting about ½ bushel. and 15½ bushels of slacked lime laid 1000. bricks in a wall of 1½ brick thick. we may say then that 10. bush of limestone are required to 1000. bricks. |
it takes a bushel of lime to give 3. coats of plaister to 4. square yards on brick wall.
a cord of limestone of 128. cub. feet or 102½ bushels make 6. waggon loads
Fresco painting. Schneider charges a dollar a yard, he finding paint Etc or 8/. [Dollars] a day, paint Etc found him. he can do half a yard an hour.
the cost of iron pipes at Philada. is as follows. 22.I. diam. is 6.25 D pr foot.—20 cost 5.
16.I. diam. cost 3⅓ – 10 = 2.40 – 8 = 1⅔ – 6 = 1.10 – 4 = .64 – 3 = .45 - 1½ = .40
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Sheet iron. a square foot weighs 1. to 1½℔ & costs 20. cents. |
} | Philadelphia 1792. |
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Sheet copper. costs about 40. cents the square foot. |
the largest sheet iron I have seen is 21.I by 8f. 3.I.
a box of tin contains 220 or 230 sheets 13¼I. by 10⅛ = 11/12 of a foot and weighs 152.℔.
it costs 13.D. and will cover 1 square & a half of roof.
a man puts on a square a day.
| cents | ||||
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Bohemian glass costs of |
the least thickness |
.16 the square foot |
⎫ ⎬ ⎭ |
Donath. Philadelphia. 1792. |
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1½ thickness |
.20 | |||
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double thickness for coaches |
.30 |
Bringhurst supposes that no sheets of glass are made larger than 4. feet.
a workman at Genoa to whom I showed a draught of my chimney-pieces, gave me the following estimate of what they would cost in the different kinds of marble of which he gave me samples.
| price of the cubic foot of marble |
architrave alone |
architrave & entablat. |
but if only a plain fascia 6.I. wide 1.I. thick |
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| H | S | H | H | H | S | |||
| Common marble | 4– | 10 | 90 | 170 | 2– | 1+ | ||
| Marble of Carrara | 12– | 105 | . | 217 | –10 | 5– | 11+ | |
| Jasper of Sicily | 40– | 161 | – | 400 | – | 18– | 8+ | |
| Verde Antico. | 270– | 620 | – | 1900 | – | 124– | 4+ | |