Minutes of information collected with reference to works for the removal of soil water or drainage of dwelling houses and public edifices and for the sewerage and cleansing of the sites of towns / General Board of Health.

  • General Board of Health.
Date:
1852
Catalogue details

Licence: Public Domain Mark

Credit: Minutes of information collected with reference to works for the removal of soil water or drainage of dwelling houses and public edifices and for the sewerage and cleansing of the sites of towns / General Board of Health. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    Table showing the Strength of Pipes gained by a Second Pressure with- Machine, when partially dried. . 5ft M— *-» o a - 2 S 6 a, « s-8 *< S iess of i inches. cm — « ° ° .4 »j a, a Bursting pressure Rolled or not. 5 S w I o .S a> s i-M ■ —• o m _ a '1 .2 ° Eh S Long) Pipi in inc Weigh Pip in pou in lbs. per inch. in feet of altitude. Remarks. 1 s 2*718 •5 -SI JO 1 37*5 86*62 TTnrnl.url *J uroilt U 2 3 s s 2-687 2-765 •463 '49 21*68 21*5 7*09 7* 40* 35* 92*40 80*85 >» 19 Smith's Red Clay. 4 c 2-75 •5 21'55 7*33 45* 103-95 Rolled 5 6 c c 2'609 2-718 •487 •496 21*36 21*68 7*26 7*31 90* 75* 207-90 173-25 >» » Smith's Red Clay. 7 D 2-812 •531 21*5 7*75 30* 69-30 Unrolled •> 8 D 2-95 •531 21*68 7*8 Unsound » Reading Red 9 D 2-875 535 21*7 7*79 Unsound »» Clay. 10 D 2-875 •531 21*7 7*76 40* 92*40 >» 11 12 13 D 1 D 3 D 4 2-87 2*86 2-89 '521 •523 •53 21*75 21-73 2T75 7*89 7*9 7*85 45* 80*. 65* 103*95 184*80 150*15 Rolled Reading Red ' Clay. Averages of the above Pipes, &c. 1 to 3 4 to 6 2'723 2-692 '486 *494 21'58 21*53 7*03 7*30 37*5 70* 86*62 161*70 Unrolled Rolled Difference per cent. }86*6 j Smith's Red Clay. 7 and 10 11 to 13 2-843 2*873 '531 '524 21*6 21*74 7*75 7*88 85* 63*3 80*55 146*30 Unrolled Rolled |80*9| Reading Red Clay.' Table showing the Comparative Strength of Pipes. Bursting pressure Bore of Pipes, in inches. Thickness of Pipes, in inches. Sectional Area of Pipes. in ibs. per inch. in feet of altitude. Rolled or not. Remarks. 2*723 *486 4*900 7*65 17*7 Unrolled 1 Smith's Red 2*692 •494 4*944 14'2 32*73 Rolled / Clay. 2*843 2*873 *531 *524 5*628 5-592 6*23 11*3 14*39 26*2 Unrolled Rolled 1 Reading ] Red Clay.
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