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All previous editions of this catalogue are superceded by the present one, which should be exclusively used in ordering.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