How did a lack of scientific knowledge affect human health in 19th-century England? How did the construction of London's sewer system change people's understanding of how disease can spread?

Supplying clean drinking water was another serious problem. Some of London’s water came from shallow wells within the city and was delivered by the bucketful. More prosperous areas had piped water provided by private water companies from springs in the hills around London or, most dangerously, from the Thames itself.

The invention of the flush toilet or water closet at the end of the eighteenth century made things worse. Well-off households that could afford a proper water supply could now dispense with a smelly cesspool and simply flush all their waste away – and out into the Thames.

The first two weeks of June 1858 were exceptionally hot. That weather led to desperate politicians voting a bill for a complete new sewage system for London through both Houses of Parliament in only 18 days. By 2 August they had approved an Act of Parliament for the expenditure of £2.5 million (about £300 million in today’s money) – and it was to be publicly financed.

the illustration   that would give a reader a clear understanding of the text is a picture of men constructing the frame of a building.the frame is made of iron bars. the text describes the job of blacksmiths'. these were very organised and they had different names: "the driver" and "the heater". the text describes the way in which these men worked ; they worked iron pieces as if they were playing a sport. in fact, the text wants to show the men's skills. the text also puts some emphasis on the use of '' rivets'' in construction. this kind of nails were not always used in the construction of manhattan.

some examples:

"and with an underhand toss he hurled the smoking rivet straight at the catcher, who caught it in mid-air in his catching can." men's skills

"when the driver was ready for a new " the emphasis on the rivet ( special nail used in construction).

" it against a beam to remove any cinders, and jammed it into the waiting hole. " the emphasis on the rivet.

who r u questiiiobnn