USD159794S - Projection unit for a metallographic microscope - Google Patents

Description

Au 22, 1950 B. e. GALLASCH 1365- 159,794,

PROJECTION UNIT FOR A METALLOGRAPHIC MICROSCOPE Filed Dec. 3, 1949 2 Sheets-Sheet 1 INVENTOR. BERNHAR P T GEORGE GALLASCH ATTORNEY Des. 159,794

PROJECTION UNIT FOR A METALLOGRAPHIC MICROSCOPE Filed Dec. 5, 1949 Au 22, 1950 B. a. GALLASCH 2 Sheets-Sheet 2 INVENTOR. BERNHARDT GEORGE GALLASCH ATTORNEY Patented Aug. 22, 1950 Des. 159,794

PROJECTION UNIT FOR A IVIETALLO- GRAPHIC MICROSCOPE Bernhardt George Gallasch, Rochester, N. Y., as-

signor to Bausch & Lomb Optical Company, Rochester, N. Y., a corporation of New York Application December 3, 1949, Serial No. 6,402

Term of patent 14 years To all whom it may concern:

Be it known that I, Bernhardt George Gallasch, a citizen of the United States and a resident of Rochester, county of Monroe, and State of New York, have invented a new, original, and ornamental Design for Projection Unit for a Metallographic Microscope, of which the following is a specification, reference being had to the accompanying drawing, forming a part hereof.

Fig. 1 is a perspective View showing the right front side of a projection unit for a metallographic microscope embodying my new design.

Fig. 2 is a perspective view of the left front side thereof.

Fig. 3 is a rear view thereof.

The essential features of my design are shown in full lines, the showing of the eye pieces in broken lines in Fig. 2 has been omitted from Fig. 1 for convenience of illustration and the REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date D. 131,729 Peck Mar. 24, 1942 2,2143? 6 Kurtz Sept. 10, 1940 2,391,999

Portman et a1 Jan. 1, 1946

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