. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. RECORD THE Results of Research PERMANENTLY B & L Type 11 Photomicrographic Equip- ment used in conjunction with your micro- scope makes it possible for you to keep a permanent record of your microscopical findings, easily and economically. Type R Equipment (illustrated with the B & L Microscope GGB) consists of a B & L Type 1 [ Camera using 5x7 plates and an illuminating unit mounted on a common support. It is a convenient and adaptable arrangement that may be used horizontally or vertically. It is equipped with


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. RECORD THE Results of Research PERMANENTLY B & L Type 11 Photomicrographic Equip- ment used in conjunction with your micro- scope makes it possible for you to keep a permanent record of your microscopical findings, easily and economically. Type R Equipment (illustrated with the B & L Microscope GGB) consists of a B & L Type 1 [ Camera using 5x7 plates and an illuminating unit mounted on a common support. It is a convenient and adaptable arrangement that may be used horizontally or vertically. It is equipped with a compound shutter. For gross photography a rack and pinion focus- ing mount for focusing Micro Tessar lenses may be mounted on the front board. The camera may be quickly swung aside when it is desired to do visual work. For complete information write Bausch & Lomb Optical Co., 707 St. Paul Street, Rochester, N. Y. BAUSCH 6- LOMB ....WE MAKt OUR OWN GLASS TO INSURE STANDARDIZED PRODUCTION fOR VOUR GLASSES INSIST ON B « L ORTHOGON LENSES AND B i L FRAMES . .. MADE IN U. S. A. The Standard for Microscope Glass Gold Seal Microscope Slides and Cover Glasses Crystal Clear • Non-Corrosive • Will Not Fog Microscopic work demands glass of unusual clarity. Gold Seal Slides and Cover Glasses are made from glass practically free from alkali. They attain a precise and uniform thinness of plane surface. Therefore, Gold Seal offers an unusual degree of crystal clarity. Further, Gold Seal is guaran- teed against corrosion, fogging or any imperfection. Specify Gold S;,1 Slides and Cover Glasses. CLAY-ADAMS CO.,'« 44 EAST STREET, NEW YORKy. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology