The mystery that has always hung about this building has greatly increased since it has been in combination with the Exchange Telegraph Company of London, with all its scientific developments and its electric currents. Between this bureau and the Stock Exchange ghostly, silent messages pass the livelong day concerning the health, the value, the rise and the fall of the various stocks and funds, and in a few seconds these mysterious messages are wafted through the length and breadth of the land. I am a curious, inquisitive old lady, and as there were many points in these mysterious proceedings I could not understand, I went to the bureau a short time back, and begged Mr. Wilfred King, the courteous and clever secretary of the company, to make them clear to me. I was very interested in what he said about the rapidity with which the messages are transmitted. He assured me that the result of the last Derby was known all over London before the horses had had time to stop after they had passed the winning-post; and, again, that during the last Parliamentary session the debates, by means of this company, were known at the Crystal Palace before they reached the smoking-room of the House of Commons. As I stood watching the clever instrument pouring out silently and persistently its yards of tape messages, I asked as a favour that Mr. King would cut off a piece, that I might show it to you. You will see that the language is conveyed by means of simple lines, over which he was so kind as to write the letters so represented— 12 11 1 ---- -- ---- -- -- -- - ---- - - -- C a l e ---- -- ---- - - -- - ---- - - -- d o n i a ---- - - ---- ---- -- ---- -- - - - -- n R l y ---- - - ---- - - ---- - - ---- - ---- ---- C o s ---- - ---- - ---- ---- -- - - - T r a f f ---- - ---- - - -- - - ---- - - - ---- - i c f o - - ---- - ---- - - - ---- - ---- ---- ---- r w e e k - ---- - - ---- ---- -- -- ---- - -- e n d i n g -- ---- - ---- - - - - ---- - ---- ---- - t h i r ---- -- - - - - - - ---- - t y f i ---- ---- - ---- -- -- ---- - - - r s t u l - --- - - - - --- - - -- - ---- - - t 2 2 5 ---- -- - ---- -- - ---- -- -- -- - - 0 d e c r ---- ---- - -- -- ---- -- ---- - - ---- - e a s e -- - ---- - - - --[1] The following little sketch will give you some idea of the instrument and its working:—