246 SURVEY OF THE COAST 



According; to tlie directions of Mr. Gallatin, the collection 

 of instruments is made sufficient to furnish, temporarily, the 

 necessary instruments for a determination of boundary lines. 

 If, therefore, any such work is now in contemplation, the 

 instruments for it may be supplied from the collection. 



F. R. HASSLER. 



Washington.) 5th January, 1816, 



On the 15th of May, 1816, a communication was made 

 to the government, on the measures necessary to he then 

 taken, in order to i)ut into immediate operation such por- 

 tions of the work as could he undertaken during that sea- 

 soru As this communication d.d not differ, in any essential 

 paiticidar, fioni tiie above, it has not been thought neces- 

 sary to insert it here. 



Ji Catalogue of the Instruments and Books collected for the 

 Survey of the Coast. 



It may he proper to insert this catalogue in these papers, 

 both for the convenience of reference, and as an account of 

 the means by which the work of tlie survey was to be exe- 

 cuted. 



The instruments were the following: 



1. One theodolite, of two feet diameter, made by Mr. 

 Troughton. 



3. Two double repeating theodoHtes, of one foot diameter, 

 with a complete vertical circle l)y the same. 



3. Two doul)le repeating circles, of eighteen inches dia- 

 meter, with two telescopes, made by the same. 



