A study of the color sensitiveness of various types of photo-electric cells

June 1928School of EngineeringThe next point of interest in connection with caesium cells, which afforded an opportunity for study, was the effect of the underlying metal on the color sensitiveness. Studies of caesium on oxidized silver and copper, were made for both spherical bulb, and plate type cells. Caesium on gold was also studied. The section entitled, "Summary and Conclusions", should be read in connection with this section, in order to complete the abstract.Color sensitiveness curves were made for sodium, potassium hydride, and thin film rubidium and caesium cells. The thin film cells were prepared in the General Electric Research Laboratory by a process developed there. After finding that the caesium cells were the only ones having an appreciable sensitiveness throughout the visible spectrum, a half dozen thin fiLm caesium on oxidized silver cells were selected at random from the stock of the G. E. Research Laboratory. These were tested for uniformity of color characteristic. This feature was of interest because any application of these cells to phOtometry, or color matching, would probably require replacement of cells with close duplication of color sensitiveness.Ph

A chapter in American education ; Rensselaer Polytechnic Institute, 1824-1924

This brief history of Rensselaer Polytechnic Institute was published to commemorate the school's centennial celebration in 1924. Its long term significance is its placement of the Institute in the historical context of American higher education. The author was an RPI Professor of English who later served as Assistant Director, Dean of Students, and Vice President of the Institute

Design for a 10,000 horse-power hydraulic turbine to operate under an effective head of 250 ft. and drive a 60 cycle generator

June 1920School of EngineeringUndergraduat

Design of gravity water supply for North Troy, New York

1913Under the present system of water supply North Troy (Lansingburgh) is not supplied with enough water to give sufficient fire protection, or to provide for any growth of that section. The Deepkill watershed has been but partially developed, and has not been put to practical use at all. If this watershed will supply North Troy, it will relieve the Troy system and give a better water supply to North Troy.Undergraduate degre

Biographical record of the officers and graduates of the Rensselaer polytechnic institute, 1824-1886

With an introduction by Benjamin H. HallThe Biographical Record is an invaluable resource for anyone interested in people affiliated with Rensselaer during its formative years. It consists mainly of brief biographical sketches of RPI graduates, faculty, directors, and trustees, plus engravings of some of the more illustrious members of the Rensselaer community from 1824 to 1886. The compiler, Henry Bradford Nason, was a member of the Institute's faculty from 1858 until his death in 1895