UNITED STATES 329 



Membership. About 1,750, including contributing (resident, $15 annually; non- 

 resident, entrance fee of $5 and $5 annually), life (resident, $200; non-resident, 

 $75), honorary and corresponding. 



Publications. 



First annual report of the proceedings . . . Philadelphia, 1825. 8. 



Later proceedings are included in : 



JOURNAL . . . v. I-CLXIII, Jan. 1826- June 1907. Philadelphia 1826- 

 1907. 8. 



m. forming 2 v. yearly. Price: $5 a year; single nos., 5oc. 



v. 1-4 (1826-27) forming the first series, ed. by Dr. Thomas P. Jones under 

 the patronage of the Institute, have title: The Franklin journal, and 

 American mechanics' magazine (superseding American mechanics' maga- 

 zine, v. 1-2. New York, 1825-26. 8. w.). 



1828 to date, published by the Institute ; whole numbering begins with 

 v. 42, v. 5-130 being numbered in series (i. e. n. s., v. 1-26 and 3d ser., 

 v. i-ioo) after which only the whole numbers are used to designate the 

 volumes. 



Weather reviews of the Pennsylvania state weather service, (under the 

 direction of the Franklin institute) Oct. 1887 Apr. 1895; in v. 124-131, 



135-139. 



Index to the Journal of the Franklin institute, including the Franklin journal, 

 for the 120 vols. from 1826 to 1885; arranged according to subjects and 

 authors. Philadelphia, 1890. 8. 



Index ... for the 20 vols. from 1886 to 1895. Philadelphia, 1896. 8. (Decen- 

 nial index, 1896-1905, in press 1907.) 



Index to the reports of the Committee on science and the arts, 1834-1890. 

 Philadelphia, 1890. 8. 



Proceedings of the Chemical section . . . v. I-VI, 1889-1894. Phila- 

 delphia, 1889-95. 8. 



Proceedings of the Electrical section . . . v. I-III, 1891-1893. Phila- 

 delphia, 1892-94. 8. 



Continued in the Journal. 



Catalogue of the Library . . . Philadelphia, 1876. 8. 



Minor special publications and reprints from Journal relating to exhibi- 

 tions, reports of committee investigations, anniversary events, consti- 

 tution and by-laws. 



Distribution. Exchange (in charge of the Committee on Library). On sale 

 at Publication Office, Franklin Institute, Philadelphia. 



Prizes. 



BOYDEN PREMIUM. A sum of $i,ooo to be awarded to "any resident 

 of North America who shall determine by experiment whether all 

 rays of light, and other physical rays, are or are not transmitted with 

 the same velocity." (North America has been defined as including 

 the West Indies, and extending to the southern boundary of Mexico.) 



