ANSWERS TO CORRESPONDENTS. 



Q6W, <>r keep second-hand instruments of any kind. 

 sell instruments on tin- installment plan. 



; the many kinds of instruments enumerated in this catalogue, 

 cannot !> varied from, sinee all the standard patterns from \vhieh the different parts 



made of brass to insure hest and uniform results. Any chang* 

 Men would entail only extra expense, and lead to the sacrifice of other and 

 equally important advantages, without securing to the customer any ir 



roinhinations possible with each particular type of instrument are printed 

 6 opposite its cut. and as a rule are so complete as to meet special and 

 ;al requirements. 



Our patrons will confer a great favor by placing their orders with us direct, to 

 mistakes often made when third parties are intrusted with them, hut for 

 which we cannot hold ourselves responsible. 



ive, and solicit correspondence regarding our instru- 



and matters pertaining to them. This is, however, often so voluminous 

 irequently repetitions of matters already fully explained in our Catalogue 

 become a serious burden on our time, since most of it requires our care- 

 ful personal attention. Our friends will therefore confer a great favor if they will 

 ad up the subject in this Handbook and Catalogue when desiring infor- 

 ; on any point, before writing, as it has been prepared with great care and 

 detail, and fully illustrated at a large expense and furnished with a full index, 

 with the express object of supplying, as far as possible, all the instructions usually 

 required by intending purchasers. In most instances the wished-for elucidation 

 will be found fully stated herein, thus saving both us and our correspondents much 

 !>or. In case the information desired is not here given, we will take 

 b pleasure in supplying the same to the best of our ability. 

 \\Y operially invite a careful perusal of those parts giving directions I 



Ope, and //of tit Inkv oo'r of and fn u<ljnsl //;>//////// '///N. in- 

 i correct understanding of these mat ters will result in a more permanent 

 he instniment. and the saving of much valuable time. 



Characteristic Features of our Instruments. 



1 . Simplicity in manipulation. 



J. Li^litn', combined \vith 



:;. Accuracy of division. 

 1. \rhi-oniatic telescope, Avitli 



r*. stcadinos of adjiistiiK'nts mil<r varying teinpcrat uri>>. 



^\. ^{ iffncHs; to a\ oid any t rcmor 'v<*n in a strong u ind. 



7. I'iiK \\<n Kmansliip t liron^lioiit. 

 s. \daplcd fo tropical condition*. 



PRICES! EQUITABLE. 





