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Microscopes and Accessory Apparatus Catalogue No. 40   By:

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CATALOGUE No. 40.

MICROSCOPES AND ACCESSORY APPARATUS.

ERNST LEITZ WETZLAR GERMANY.

Founded in 1850.

Branch Offices: NEW YORK: CHICAGO: BERLIN NW. 411 West 59th Str. 32 38 Clark Str. 45 Luisenstrasse. 30 East 18th Street.

1903.

="Highest award"= Worlds Columbian Exhibition =Chicago 1893=.

Contents.

New constructions 5 Objectives and Eye pieces 7 Stands 16 Illuminating Apparatus 20 Complete Microscope Outfits 24 Microscopes for Mineralogical Research 57 Dissecting Microscopes and Lupes 62 Apparatus for Blood Examinations 70 Micrometers 73 Drawing Apparatus 74 Mechanical Stages 78 Photo micrographic Apparatus 82 Projection Apparatus (Edinger) 84 The Large Projection Apparatus 87 Microtomes 92 Miscellaneous Accessories 99 Publications 104 Index 105

Notice.

All previous editions of this catalogue are superceded by the present one, which should be exclusively used in ordering.

Orders will be filled at once after their receipt.

In ordering care should be taken to give the =number= of each article desired and to state listprice.

To avoid delay and misunderstandings, we request that name and address be plainly written.

Goods are forwarded at the expense and risk of the purchaser.

Our instruments for use in =Universities, Colleges, Schools= &c. of the =United States= are by law free of duty and we shall be pleased to make specially low quotations for such orders.

ERNST LEITZ.

New Constructions.

Since issueing our last catalogue, a number of new apparatus and accessories have been added. The following are the more important ones:

1. A completely =new stand "A"= with extra fine micrometerscrew transmitting its movement directly to the tube. The stand is of elegant appearance and large dimensions, making it especially well adapted for work in photo micrography.

2. =Stand I= is now fitted out with the new special fine adjustment (each division {1/1000} mm).

3. =Stand II= with round centering stage.

4. =Stand IV= is replaced by a model of larger size.

5. =Photo micrographic apparatus= for use in horizontal and vertical position, having joint for inclination, large size bellows and plateholder.

6. =Large projection apparatus= for electric lamp of 30 Ampère with triple collecting lens of 210 mm aperture.

7. =Objective 1 a= with adjustable mounting and changeable magnification. It is an excellent objective of low power for general purposes, having a comparatively short working distance.

8. =Objective 1 b= with changeable magnification of lowest power, as far down as two diameters. It serves for drawing extended sections and specimens.

9. =Saccharimeter after Mitcherlich= improved form.

10. =Trichinoscope=, projection apparatus of strong and simple construction.

=Preface.=

Our American Branch house in New York under the management of Mr. Wm. Krafft has now been established for over 10 years. This period has witnessed a gradual development of our business in the United States, making it necessary to establish some years ago a Western Branch in Chicago of which Mr. R. Gibson has charge.

The cordial reception our firm received has been most gratifying and we take this opportunity to thank our many patrons for their kind consideration.

It is our aim to co operate with the scientists and construct new apparatus to meet their needs or improve others wherever this is possible.

The foregoing list of additions and improvements made since issueing our last catalogue is proof that we spare no time nor labor to hold pace with the increased wants of modern times... Continue reading book >>




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