An Inquiry from London. We are in receipt of the following letter from our friend, S. T. Richards, officer in charge of the Crystal Palace Fire Station : FIRE STATION, CRYSTAL PALACE PARADE, NORWOOD. LONDON, S. E., February 6, 1893. To the Editor : I have sent you our annual report, and now I am sending you our pension and pay list. It may be of use to you in the future to answer any question concerning the matter, and if I can be of use to you in any way concerning the Old World fire brigade I will do it with pleasure. I would like to ask : What pay do the New York firemen get, from chief to lowest grade ? Howmany classes are there? How do the promotions take place ? For how many years do they join? Where and from what class do they pick their…