Documents associated with: McEvoy, Charles A.
Record 2 of 23
System Number: 01988
Date: 13 January 1892
Author: Charles James Whistler Hanson
Recipient: William McNeill Whistler
Repository: Glasgow University Library
Call Number: MS Whistler H89
Document Type: ALd
Jan. 13. 92
Dear Dr Whistler,
I write to
remind ask you to please send me the cheque as promised - as I
am have already under[ made some slight?] includes gone to some expense in working at my invention. [ Do send me?] Kindly send cheque to 16 Feather
If you want to increase the light giving power of your storage battery you might have the incandescent lamp placed in a reading lamp thus:-
[Diagram of lamp and fixings & labelled, inscribed:] 'wood or ebonite ... section'
[p. 2] I made a mistake the other way, I find that
I find that Th You cannot increase the candle power of your lamp i.e., have a 30 c.p. lamp for example without increasing the coupè of your storage battery. But [ you?] if you want more light you can have two lamps place one lamp in a reading lamp as shown and then I dont think you will want a bull's eye or you can have two lamps placed in (connection in parallel) each the same as you have now thus:-
or put both inside a reading lamp[.] If you tell the man who makes the [Muater?] to connect both lamps in parallel he will understand. But Capt thinks one lamp in the reading lamp, as shown, over page will give you as much light as you require - for it will concentrate the light. and
4. Spagnolotti & Crookes
A misspelling of the engineers Charles Ernest Paolo Della Diana Spagnoletti (1832-1915) and William Crookes (1832-1919), also a famous chemist and physicist.
Drawing of two interconnected lamp bulbs.
Continued in the left margin.
7. concentrate the light
'lamp ... concentrate the light.
and' is written in the left-hand margin at right-angles to the main text.