﻿136 Correspondence — Rev. 0. Fisher — Mr. Clement Reid. 



In Fig. 2 Mr. Milne has now shown us the highest cone which 

 could float with its vertex upwards ; and thereby proved that I was 

 right in saying that a berg of the " shape " he had " figured " in his 

 former paper "would not remain in that position, but must turn 

 over." 



Your readers will no doubt join with me in thanking Mr. Milne 

 for his calculations, which I conceive may be thus summarized. If 

 the 



(1) Diameter of base of cone of ice is less than f the height, it 

 wiJl float on its side. 



(2) Diameter is greater than •§■ the height, it will float with its 

 vertex downwards. 



(3) Diameter is greater than twice the height, it may float with its 

 base downwards. 



(4) Or, since this case is included in (2), it may float with its 

 vertex downwards. 



However, when the diameter is only a little greater than twice the 

 height, it would appear that the more stable position of the two 

 would be with the vertex downwards. 0. Fisher. 



MODERN DENUDATION IN NORFOLK. 



Sir, — The following facts concerning recent destruction of the 

 Norfolk cliffs seem to be of sufficient interest to induce me to beg 

 your insertion of them in your Magazine. 



On Tuesday, January 30th, we had a severe gale, which did much 

 harm all along the coast. The coincidence of a spring-tide and a 

 high wind from the W.N.W., brought the sea to a height it has not 

 been known to reach for at least forty years. , 1 have examined 

 the coast from Hasborough to beyond Sherringham, and the damage 

 done is marvellous. Probably the loss of land along the whole line 

 of coast mentioned may be estimated at a yard. At the life-boat gap 

 Bacton the amount that has gone is fifteen yards, and a strip of 

 about that width is missing as far as the Walcot gap (three furlongs). 

 At Bacton the cliffs are low, so the denudation is greater than in 

 other parts. 



Mundesley has had part of the life-boat gangway swept away, and 

 some walls thrown down, besides the land lost. 



At Cromer people are congratulating themselves on the small 

 amount of damage done ; it is said that £150 will cover it. During 

 the gale it was thought that the jetty would be pulled up bodily by 

 the upward force of the waves; but fortunately the planks gave way, 

 and there are only about fifty missing. The gangway at the north 

 end of the town has been swept away ; but as it was only made of 

 earth, that will not much matter. 



The most serious loss is at Lower Sherringham. There Mr. 

 Upscher has lost two acres ; nearly all the sea-wall has been swept 

 away : none of the gangways are left ; a cottage and a shed have 

 fallen into the sea; the inn on the cliffs has had the windows broken, 

 and is in a very unsafe condition ; and should another gale occur 

 now, much of the village will go. 



