Brass Microscope

Inner workings of police unveiled
He’s used to staring down suspected killers and getting them to confess to their crimes. Yet one of Winnipeg’s most experienced homicide investigators says nothing could have prepared him for the “unethical and immoral” conduct he experienced from senior management within the police service.
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19C. ANTIQUE MICROSCOPE EYEPIECE LENS BRASS BOX E.LEITZ $400.00

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VINTAGE SPENCER BUFFALO BRASS MICROSCOPE $250.00

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antique MICROSCOPE 19c. Leitz Wetzlar brass #2 OBJECTIVE AND BRASS CASE $389.00

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Antique MICROSCOPE 19c. Leitz Wetzlar brass OBJECTIVE #5 good working condition $165.00

Antique MICROSCOPE 19c. Leitz Wetzlar brass OBJECTIVE #6 good working condition $165.00

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Antique MICROSCOPE PAINTED BLACK 18MM Brass OBJECTIVE CASE FREE SHIPPING $155.00

ANTIQUE SAMUEL MURSET BRASS MICROSCOPE PHILADELPHIA $999.99

Antique Brass Microscope Focusing Cardan Universal Joint Ad.Zwickert Kiel 1915 $173.00

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New/unused DIN Microscope Objective PL4/0.1 160/0 $39.50

New DIN Microscope Objective PL10/0.25 160/0 $39.50

1900′s CARL ZEISS JENA MICROSCOPE WITH BRASS $249.00

A characterful Victorian brass drum type microscope with original box $69.55

Antique Ernst Leitz Wetzlar D.R.P. Brass Microscope $399.00

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The Microscope $41.78 THE MICROSCOPE By SIMON HENRY GAGE Late Professor of Histology and Embryology in Cornell University SEVENTEENTH EDITION REVISED ITHACA – NEW YORK COMSTOCK PUBLISHING COMPANY, INC. J947 COPYRIGHT, 1941, BY COMSTOCK PUBLISHING COMPANY, INC. All Rights Reserved Copyright, 1908, 1917, 1920, 1925, 1932, by SIMON HENRY GAGE Ail Rights Reserved Copyright, 1936, by COMSTOCK PUBLISHING COMPANY, INC. All Rights Reserved PRINTED IN THE UNITED STATES OF AMERICA THE VA1L-BALLOU PRESS, BINGHAMTON, N t Y T To the memory of THEOBALD SMITH pupil, friend, and master investigator who opened new paths to the human mind. PREFACE IN revising the matter for this, the seventeenth, edition of The Microscope changes have been made in every chapter in text and often in illustrations to render the subject more easily understood. Attention has been called to the newly devised Electron Microscope with its greatly increased magnifying power and resolution over the ordinary microscope to Polaroid for the micro-polariscope to some new plastics for mounting in place of Canada balsam to the high pressure mercury lamps for ultra-violet radiation and the bright mercury lines for photographing objects with the microscope. In general, however, the book retains its former character, and it is hoped that it will continue to serve students and users of the micro scope in understanding the underlying principles involved in micro scopical work. As a final word, I wish to express my thanks and appreciation for the new cuts loaned and other aid rendered by the American manu facturers, the Bausch Lomb Optical Company of Rochester and the Spencer Lens Company of Buffalo. The heads of those com panies, Edward Bausch and Harvey N. Ott, have been my friends and advisers for many years and have been ever ready to help me over the rough places in my microscopical career. Likewise it is a pleasure to render thanks to my University col leagues and to my fellow microscopists for their friendly interest and help also to Clara Starrett Gage, Ph. D. for aid in preparing illus trations, making corrections and revising the index for this edition. SIMON HENRY GAGE May 20, 1941 CONTENTS SECTIONS FIGURES PAGES INTRODUCTION AND THE ELECTRON MICROSCOPE . . i-3A 1-6 CHAPTER I 1-66 4 4ia 7-50 Microscopes and Their Parts. CHAPTER II . . 67-169 42-64 51-120 Bright-Field Microscopes Lighting, Natural and Artificial Experiments with Microscopes. CHAPTER III . . . 170-215 65-90 121-169 Dark-Field Microscopy and Its Application. CH PTER IV 216-272 91-119 170-221 The Polarizing Microscope Optics of the Mi croscope. CHAPTER V 273-302 120-124 222-239 Micro-Spectroscope Pocket Spectroscope. CHAPTER VI 303-324 125-130 240-2 sS Ultra-Violet Microscope Physical Analysis. CHAPTER VII 325-358 131-142 259-27 Interpretation of Appearances. CHAPTER VIII 359 39 8 i43 i 6 7 279-316 Magnification and Micrometry. CHAPTER IX 399 45o 168-199 317-363 Drawing with the Microscope and with Projec tion Apparatus Class Demonstrations. CHAPTER

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