--I propose to George
Arthur Biddell that he go to Newcastle this evening, in order to see
glass works and other things there to-morrow, and to return when he
can.
I think that I can persuade Barlow to stop to see the experiments out,
and if so I shall endeavour to return as soon as possible. The
earliest day would be the day after to-morrow.
* * * * *
The following extract is from a letter written to Mr Murray for
insertion in his Handbook of France, relating to the Breakwater at
Cherbourg, which Airy had visited during his journey in France in the
autumn of this year.
ROYAL OBSERVATORY, GREENWICH,
_1845, Oct. 8th_.
My opinion on the construction I need not say ought not to be quoted:
but you are quite welcome to found any general statement on it; or
perhaps it may guide you in further enquiries. To make it clear, I
must speak rather generally upon the subject. There are three ways in
which a breakwater may be constructed. 1. By building a strong wall
with perpendicular face from the bottom of the sea. 2. By making a
bank with nothing but slopes towards the sea.
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