. The Biological bulletin. Biology; Zoology; Marine biology. 908 5-C. 400 450 500 550 600 650 700 750 800 650 900 990 Didymium transmission curve showing resolution obtainable with Spectronic 20 Tfaww. ROTO-CELL . . for converting Spectronic 20 into an inexpensive spectro- photometer for control, research, teaching, etc. ROTO-CELL. A double cell in swivel action carrier with water-jacketed housing, for rapid scanning at controlled temperatures. Readily interchangeable with the single place sample holder of Spectronic 20. Finger tip rotation of knob introduces either cell chamber into light bea
. The Biological bulletin. Biology; Zoology; Marine biology. 908 5-C. 400 450 500 550 600 650 700 750 800 650 900 990 Didymium transmission curve showing resolution obtainable with Spectronic 20 Tfaww. ROTO-CELL . . for converting Spectronic 20 into an inexpensive spectro- photometer for control, research, teaching, etc. ROTO-CELL. A double cell in swivel action carrier with water-jacketed housing, for rapid scanning at controlled temperatures. Readily interchangeable with the single place sample holder of Spectronic 20. Finger tip rotation of knob introduces either cell chamber into light beam and pro- vides dark current check. 9085-C. Roto-Cell, Thomas, with double 1 ml cell of Vycor brand glass, with cover; with 10 mm light path 9084-E. Spectrophotometer - Colorimeter, B. & L. Spectronic 20. A compact, direct reading, versatile instrument, simple to operate. Range 375 to 950 mmu, band width 20 mmu. Reads in transmission and optical density. Complete outfit for rapid spectral scanning and plotting of absorption curves, consisting of blue and red-sensitive phototubes and filter, voltage stabilizing transformer and Thomas Roto-Cell with double 1 ml cell for 10 mm light path. For 115 volts, 60 cycles, .. A one-piece, double 1 ml cell, 10 mm light path, with liquid-cooled carrier Provides instantaneous interchange within the instrument of sample and blank for speed in plotting absorption curves. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
Size: 1783px × 1401px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectb, booksubjectzoology
