. Journal of applied microscopy and laboratory methods. BOTANYCLASSES puzzle the instructor as to what to recommend for anall-round MAGNIFYING GLASS ANDDISSECTING MICROSCOPE. T QR MAGNIFIER. VHE QR Magnifier has stood the test of timeand offers many advantages where a lowpriced lens is required. It costs so littleevery student can afford one, and being adjusta-ble for focus and having a large, clear field, with good magnifying power, serves thepurpose of a pocket lens (with legs removed) and dissecting microscope. QR. 50 CENTS. SPECIAL PRICES IN QUANTITY. BAUSCH & LOMB OPTICAL CO. ROCHESTER, N
. Journal of applied microscopy and laboratory methods. BOTANYCLASSES puzzle the instructor as to what to recommend for anall-round MAGNIFYING GLASS ANDDISSECTING MICROSCOPE. T QR MAGNIFIER. VHE QR Magnifier has stood the test of timeand offers many advantages where a lowpriced lens is required. It costs so littleevery student can afford one, and being adjusta-ble for focus and having a large, clear field, with good magnifying power, serves thepurpose of a pocket lens (with legs removed) and dissecting microscope. QR. 50 CENTS. SPECIAL PRICES IN QUANTITY. BAUSCH & LOMB OPTICAL CO. ROCHESTER, NEW YORK. PHOTOGRAPHIC APPARATUS. PREMO !!<£ POCO CAMERAS. NEW IDEAS m NEW FEATURES i The recogni^td standard high-grade Cam-eras of the world, and the worlds greatestCameras, especially adapted for scien-tific photography have been introduced,making both the PREMO and POCOCAMERAS the best and most practicalinstruments ever constructed. •:• •:• •:• :• WRITE FOR COMPLETE ART CATALOGUE,DESCRIBING THIS ENTIRE LINE. i ROCHESTER OPTICAL& CAMERA CO. SCIENTIFIC DEPT. ROCHESTER, N. Y., U. S. A. TRAVEL. i?^!!SSZ:^;?;»32?<^5^2:5Se55?2g3a!2S:22^^
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
