86 THE RESISTANCE OF SOME MERCHANT SHIP TYPES, Erc. 
Mr. CiInton H. Crane, Member:—I should like to ask Professor Sadler if he 
could add to the paper a little fuller record of the forms which were tested. It seems 
to me that if the intention is to give us information which we can use, that a knowl- 
edge of the forms is of great importance. ‘The results of themselves are, of course, 
_interesting, but the results without the forms and without the actual speed at which 
the tests were carried on, the actual draughts of water, are not nearly so available. 
Perhaps I am asking more than the Professor wishes to give us, but I feel that in a 
paper of this sort, which, as Professor Peabody says, we have got to accept as correct, 
that the more information of an exact nature we can have, the better we can 
analyze it. 
PROFESSOR SADLER:—1 shall be very happy to give this information; but it 
occurred to me that as the number of plates in our proceedings was, perhaps, getting 
rather large, the information given on each curve, which is the ratio of length to 
breadth and breadth to draught, block, prismatic and midship section coefficients, 
would more or less fix the forms in the minds of most of the members. However, if 
it is so desired, I shall be very happy to add the information Mr. Crane wants, if the 
Society sees fit to publishit. I might say in connection with the speeds and depths 
of water, I have reduced these all to speed-length ratios, and depth-length ratios, so 
they are all independent of actual speeds or depths at which the tests were made. 
The ratio of depth of water to draught of ship is also given. 
Vick-PRESIDENT McFARLAND:—There seems to be no more discussion, and I 
am sure you will authorize me to extend our thanks to Professor Sadler. 
We will now take up paper entitled ‘‘Experiments on the Froude,” by Prof. 
C. H. Peabody, Member of Council. 
PROFESSOR PEABODY :—Mr. President and Gentlemen, the Chairman unques- 
tionably has in mind a very salutary rule of the Society that papers shall be read in 
thirty minutes. I think that rule might be modified to some extent, because I was 
unable to condense this paper more fully without making it obscure. At the same 
time, I do not intend to use even the thirty minutes allotted to me in the presentation 
of the paper. Those who are interested in it will have an opportunity to examine 
it more at leisure hereafter. 
Professor Peabody then presented the paper. 
