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SILCOCK'S

IRONMONGER’S TABLES,

BEING A

SET OF TABLES

ADAPTED TO AID

THE IRONMONGER

IN ALL THE CALCULATIONS CONNECTED WITH HIS TRADE ;

ALSO, SEVERAL VALUABLE, CONCISE

RULES FOR MEASUREMENTS

AND

GENERAL COMPUTATIONS;

TOGETHER WITH

MISCELLANEOUS FORMS AND MEMORANDA RELATING TO

COMMERCE IN GENERAL.

BY O. SILCOCK,

(FORMERLY OF THE FIRM OP SHAVE AND SILCOCK.

BOD).

Entered at Stationers' Hall.

PRINTED FOR THE AUTHOR,
By LETTS, SON & STEER, 8, Royal Exchange,

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PRINTED AND BOUND BY LETTS, SON & STEER,

8, ROYAL EXCHANGE.

ADDRESS.

In the ordinary course of his business, as well as in the particular operations of " Stock Taking," Estimating, &c., the Ironmonger, perhaps, more than any other tradesman, needs constant recourse to complicated computation. His trade is in every sense of the term a “heavy trade,” and error or miscalculation in any part of his system, acts with amazing rapidity upon his profits.

It is of vital importance, therefore, that he be an experienced calculator, or possess effic nt instructors : hitherto, however, his helps lie solely in a variety of “Reckoners," &c., constructed for general commerce, too numerous and bulky to be available, except in the office or immediate seat of his business. The present work is an attempt to meet his case, by combining, in a pocket form for constant reference, a number of Original Tables, &c., adapted to his trade, with all that is valuable from present sources, including such further information as concerns him in common with other tradesmen.

The immense competition and cutting system of the present day, frequently driven to a most destructive extent by rival interests to force sales, renders a pocket director like the present of great value, to guard the inexperienced or over-anxious from fatal error, and assist the memory, or confirm the calculations of the most experienced and cautious.

JUNE, 1851.

1.-TABLÉ of the AREAS of CIRCLES in IMPERIAL GALLONS.

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1 -0028 0034 0040 .0047 0055 .0063 0072 0081 0091 0102 2 •0113 0124 ·0137 .0149 0163 0177 0191

0206

0222 0238 3 0254 0272 ·0290 0308 0327 *0346 0367 0387 0409 0430 4 0453 0176 0499 0523 0548 *0573 0599 0625 0652

0680 5 0708 0736 0765 0795 0825 *0856 0888 *0920 0952 0986 6 1019 •1053 •1088 •1124 •1160 *1196 1233 .1271 1309 •1348 7 •1387 •1427 •1468 •1509 •1551 '1593 • 1636 •1679 •1723 1767 8 1812 •1858 •1904 •1951 .1998 2046 .2094 .2143 .2193 .2243 9 .2294 .2345 2397 .2449 .2502 2556 2610 .2665 2720 2776 10 .2832 .2889 2947 •3005 3063 3122 3182 •3243 .3303 *3365 11 •3427 3490 3553 3616 3681 3746 3811 .3877 *3944 4011 12 - 4078 .4147 .4215 •4285 .4355 •4425 4496 4568 - 4640 .4713 13 •4787 • 4860 •4935 •5010 5086 •5162 5239 .5316 5394 5472 14 •5551 •5631 •5711 -5792 •5873 •5955 6037

*6120 .6204 *6288 15 .6373 .6458 *6544 -6630 .6717 6805 6893 .6982 •7071 .7161 16 •7251 -7342

•7433

.7525 -7618 7711 •7805 .7899 •7994 8090 17 8186 .8282 .8379 .8477 .8575 .8674 .8774 .8874

.8974 .9075 18 9177 .9279 .9382 9485 .9589 .9694 9799 •9905 | 1.0011 1.0118 19 1.0225 1.0333 1.0441 1.0551 1.0660 1.0770 1.0881 1.0992 1.1104 1.1217 20 1•1330 1.1443 1.1558 1.1672 1.1788 1.1903 1.2020 1.2137 1.2254 1.2372 21 1.2491 1.2610 1.2730 1.2851 1.2972 1.3093 1.3215 1.3338 1.3461 1.3585 22 1.3709 1:3834 1.3960 1.4086 1:4212 1.43391.4467 1.4595 1.4724 1.4854 23 1:4984 1:5114 1.5246 1:5377 1.5510 1.5642 1.5776 1.5910 1.6044 1.6179 24 1.6315 1.6451 1.6588 1.6726 1.6863 1:7002 1.7141 1.7281 1.7421 1.7562 25 1.7703 1.7845 1.7987 1.8131 1.8274 1.8418 1.8563 1.8708 1.8854 1.9001 26 1.9148 1.9295 1.9443 1.9592 1.9741 1.9891 2.0042 2:0193 2.0344 2.0496 27 2:0649 2.0802 2.0956 2:1110 2:1265 2:1421 2.1577 | 2·1734 2:1891 2.2049 28 2.2207 2.2366 2.2525 2.2685 2.2846 2:3007 2.3169 2:3331 2.3494 2.3657 29 2.3821 2:3986 2.4151 2.4317 2.4483 2:4650 2:4817 2 4985 2.5154 2.5323 30 2:5493 2.5663 2:5831 2.6005 206177 2.6349 26523 2.6696 2.6870 2.7045 31 2.7221 2:7396 2.7573 2.7750 2.7928 2.8106 2.8284 2.8464 2·8644 2.8824 32 2:9005 2.9187 2.9369 2.9551 2.9735 2.9919 3.0103 3.0288 3:0473 3.0660 33 3.0847 3.1033 3:1221 3.1410 3.1599 3.1788 3.1978 3.21693.2360 3.2552 34 3.2744 3.2937 3:3130 3.3324 3.3519 3:3714 3:3910 3:4106 3.4303 3.4500 35 3.4698 3.4897 3:5096 3:5296 35496 3:5697 3.5898 36100 3.6303 3.6506 36 3.6710 3.6914 3.7119 3.7324 3.7530 3.7736 3.7943 3.8151 3.8359 3.8568 37 3.8777 3.8987 3.9198 3.9409 3.9620 | 3.9833 4:0045 4:0259 4.0472 4.0687 38 4.0902 4.1117 4.1334 4.1550 4.1767 4.1985 4.2204 4.2423 4.2642 4.2862 39 43083 4.3304 4.3526 4.3748 4.3971 4.4195 4.44194-4643 4.4869 4:5094 40 4.5321 4.5548 4.5775 4.600346232 4.6461 4.6690 4.6921 4.7152 4.7383 41 4:7615 4.7848 4.8081 4.8314 4.8549 4.8783 4.9019 | 4.9255 4.9491 4.9728 42 4.9966 5.0204 5.0443 5:0682 5.0922 5.1163 5.1404 5:1645 5.1888 5.2130 43 5.2374 5.2618 5.2862 5.3107 5.3353 5.3599 5.3846 5.4093 5.4341 5.4589 44 5.4838 5.5088 5:5338 5.5588 5:5840 5.6091 56344 5.6597 5.6850 5.7104 45 5.7359 5.7614 5.7870 5.8126 5.8383 5.8641 5.8899 5.9157 5.9417 5.9676 46 5.9937 6.0198 6.0459 6.0721 6.0984 6:1247 6.1510 6:1775 6.2040 6.2305 47 6.25716.2838 6.31056.3372 6.3641 | 6.3909 6.4179 6.4449 6.4719 6.4990 48 6:5262 6.5534 6.5807 6.6080 6.6354 66629 6.6904 6·7179 6.7455 6.7732 49 6.8010 6.82876.8566 6.8845 6.9124 6.9405 6.9685 6.9967 7.0248 7.0531 50 7.0814 7.1097 7.1381 7.1666 7.1951 7.2237 7.2524 7.2810 7.3098 7.3386

Ex.-A cistern 20 inches diameter contains 1.133 Gallons per inch deep, and suppose there are 30 wet inches in the cistern, then 1.133 x 30 = 33.990 or say 34 Gallons, or, to be more exact, refer to Table 17.

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