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Sent From (Definite): William Halse Rivers RiversSent To (Definite): Karl PearsonDate: 11 Jan 1897
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Holder (Definite): University College London: Special Collections
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Sent from William Halse Rivers Rivers
11 Jan 1897
Description:
‘Dear Professor Pearson,
We are going to alter our eyesight apparatus so that artificial light may always be used & I am very glad that you have written before this is done as it is obvious that we must alter our present arrangement. I would suggest the type and candle should be mounted in a corner which can be run along a scalre & the distance at which it becomes illegible read off. I have been trying our present arrangement today with different degrees of correction of my abnormal vision & find that the apparatus is very defective & only measures at wide intervals. In any case however I am afraid our method must be very imperfect as the same amount of limitation of vision may be due to myopia, astigmatism or some other abnormality. I should very much like in the future to supplement our present scheme w. a sensory examination but this would require more skilled assistance & I am afraid will not be possible for some time.
I have arranged that in future every man shall be asked about brothers & if any, that the fact shall be entered on the card. I was just in time today to catch two brothers. As regards the past, it will not be easy now to find out about brothers but something could certainly be done with the men of[?] the last 3 years, many of whom will still be up.
I see you say “the 4000 cards you already have.” It occurs to me that you may not know that the 4000 cards which the Librarian has copied for you are only part of our total number. We have now 8000 altogether.
Yours sincerely,
W.H.R. Rivers.’
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Sent to Karl Pearson
11 Jan 1897
Description:
‘Dear Professor Pearson,
We are going to alter our eyesight apparatus so that artificial light may always be used & I am very glad that you have written before this is done as it is obvious that we must alter our present arrangement. I would suggest the type and candle should be mounted in a corner which can be run along a scalre & the distance at which it becomes illegible read off. I have been trying our present arrangement today with different degrees of correction of my abnormal vision & find that the apparatus is very defective & only measures at wide intervals. In any case however I am afraid our method must be very imperfect as the same amount of limitation of vision may be due to myopia, astigmatism or some other abnormality. I should very much like in the future to supplement our present scheme w. a sensory examination but this would require more skilled assistance & I am afraid will not be possible for some time.
I have arranged that in future every man shall be asked about brothers & if any, that the fact shall be entered on the card. I was just in time today to catch two brothers. As regards the past, it will not be easy now to find out about brothers but something could certainly be done with the men of[?] the last 3 years, many of whom will still be up.
I see you say “the 4000 cards you already have.” It occurs to me that you may not know that the 4000 cards which the Librarian has copied for you are only part of our total number. We have now 8000 altogether.
Yours sincerely,
W.H.R. Rivers.’