01316nam a2200301I 4500001480613MiAaHDL20150527000000.0m d cr bn ---auaua850818s1901 nyua 000 0 eng 09019263sdr-nrlf.b131359861sdr-miu.990014806130106381sdr-nrlfGLAD50420867-BGLADN50420867DLCCUYQC391.M3QC391.M3(OCoLC)30086451Matthews, Charles Philo,1867-1907.On certain improved photometric apparatus and the results therewith obtained ...Ithaca, N.Y.,1901.[118] p. incl. illus., tables, diagrs.22 cm.Reprints from various periodicals.Various paging.Cover-title.Thesis (PH.D.)--Cornell University.I. A device for recording photometer settings.--II. The double mirror method and its application to the study of commercial forms of the inclosed arc-lamp.--III. An improved apparatus for arc light photometry.--IV. The life and efficiency of commercial-brands of carbon for inclosed-arcs.Mode of access: Internet.Photometry.00148061319140701000000.020150527000000.020181128115309.02018-12-10T19:33:28ZSDR-NRLFIII - MILLENIUMprepare.pl-004-008BKsdr-nrlf.b131359861uc2SDRINRLFuc2.ark:/13960/t81j98j4nUC.b131359861ia.oncertainimprove00mattrichia.oncertainimprove00mattrichUCINRLF20181210iauc2.ark:/13960/t81j98j4n1901pdbibUS bib date1 < 1931MIUMIU20260303googlemdp.390150644906371901pdbibUS bib date1 < 1931UCNRLF20240731googleuc1.$b245501901pdbibUS bib date1 < 1931