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THE GUIDE TO NATURE 



points in their different positions) how 

 as viewed from the inner point the 

 outer one is sometimes moving for- 

 ward and sometimes moving backward. 

 In the former case the motion of the 

 outer point is said to be "direct;" in 

 the latter it is "retrograde." — Eric 

 Doolittle. 



Mr. Warner's Observatory at Tarry- 

 town. 



After 'Mv. Worcester Reed Warner, 

 of the well-known firm of Warner & 



collapse, but is l)raced rigidly, for the 

 barn and the trees hide the horizon, 

 but when it is open, as here shown, I 

 have plenty of room for the pole. 



"The foundation is only eight posts 

 set in concrete, the tops sawed oft' level 

 after hardening. A concrete pier ex- 

 tends from hard gravel to twelve inches 

 l)elow the floor where the broad iron 

 column of the telescope meets it. I 

 should have mentioned that the two 

 quadruple bronze hinges into which the 

 girders screw were made at my factory 



TWO SELF-K.\PLA.\AT()RV \ I l-.W > 



Swazey of Cleveland, Ohio, had estab- 

 lished his residence at Tarrytown-on- 

 Hudson, New York, one of the first 

 things that he did was to erect an ob- 

 servatory. Upon request of the editor, 

 Mr. Warner has sent two photographs, 

 and has written as follows : 



"I enclose two views of my new ob- 

 servatory. I think you will find them 

 largely self-explanatory. The building 

 was not quite finished when they were 

 taken. 



"Nearly every piece of wood was 

 sawed to length and shape at the mill 

 (except flooring) and my chauft'eur did 

 the erecting. 



"The girders are four pieces of one- 

 half inch galvanized pipe bent to shape 

 by the erector. The covering was fit- 

 ted and put on l)y our local carpet 

 dealer. The northern section does not 



IV MK. WARNER'S OBSER\'.\TORY. 



in Cleveland. The cost of the building 

 Was low, and its efficiency seems high, 

 for the severest storm does not succeed 

 in getting a drop of water inside. 



"My telescope is our standard pat- 

 tern ; the objective is seven and three- 

 quarters aperture." 



]\Ir. Warner has gone to California, 

 and on October 2nd, will sail for the 

 Orient, where he expects to spend the 

 winter. 



"The wistlom of C^iod receives small 

 honor from those that stare about and 

 with gross rusticity admire His works : 

 those highly magnify Him, whose ju- 

 dicious inquiry into His acts, and delib- 

 erate research into His creations, return 

 the duty of a devout and learned (i. e., 

 intelligent) admiration." — Religio Medi- 

 ci. A.^D.. i( 



