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NOTES AMD QUERIES.

Qutttiom for reply in coming isttit to b* revived na tattr titan MONDAY nigkl.

H H., Waimahaka — The hull of the turbine steamer Mauretania. like the other liners, is painted black, and the funnels Ted and black, like the Union Steam Ship Company's steamers. F. G. — An advertisement in the Daily Times will probably bring you a sheaf of replies. A little inquiry will enable 3 r ou to make c selection. 3. S. M., Wliangarei.— Dinornis replies: Your - photo, is interesting, and so are the notes that accompany it; but, after all. there is nothing extraordinary in fossiliferous limestone rocks occurring 500 ft above sea-level. Limestone in one form or anoth-er abounds throughout the earth, and while it has all been formed in water, some of it. no doubt, at great sea depths, much of the known strata is a long way above sea-'.evel now. The top of Mont Blauc, for instance, is limestone, and the cliffs of Dover chalk. The bottom, of the Atlantic is covered with a foraminiferal oose winch appears to be literally chalk — that is. limestone — in the making. There ip gres>t variety in limestone strota, and while some of h-as been laid down in estuaries, etc., there i» reason to believe that a great deal of it lias formed the bottoms of deep seas. The Cretaceous System, to x which many of these rocks belong, is represented in South America by strata rising from 10.000 ft to 20 000 ft above sea-level. See any recent test-book of geology for particulars. Could yon send along a few specimens of the Hilcurangi rock, sharks' teeth, and shells? O'.d Subscriber. — Will receive attention in the Fanciers' Column next week. Arrived too late for this issue. jjß\ue Mountain, Palmerston.— Mr H. M. Davey, consulting engineer. 91a Princes atreet, replies: If you have a good large inlet arranged to strain the water and not admit rubbish, etc., and if your pipes -ale 4in internal diameter (for some people are loot quit* clear about what is a 4in pipe), and clean inside- ■and well laid, without ouick turns, etc., you should get about <>Bgal to. 29gal per minute, or, say, lTOOgal per hour. If you lay this line I would be obliged to you if you wouia let me know the exact amount that you do get; but 1 believe that the above will not be frr out Take great care in jointing pipes not to get etuff in. as the pressure is insufficient to drive s«me out unless it is loose.

Permanent link to this item
Hononga pūmau ki tēnei tūemi

https://paperspast.natlib.govt.nz/newspapers/OW19080219.2.197

Bibliographic details
Ngā taipitopito pukapuka

Otago Witness, Issue 2814, 19 February 1908, Page 51

Word count
Tapeke kupu
425

NOTES AMD QUERIES. Otago Witness, Issue 2814, 19 February 1908, Page 51

NOTES AMD QUERIES. Otago Witness, Issue 2814, 19 February 1908, Page 51

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