6-inch f/16 equatorial refractor by Jeslerski

Title

6-inch f/16 equatorial refractor by Jeslerski

Subject

Astronomy
Optical instrument
Telescope

Description

Metal, brass, glass, wood

Donated by Mrs. Ruth Scott of Chrisman Illinois in 1971. Equipped with solar filter, diagonal, slow motion, 60 mm guide telescope, 25 and 50 mm finders, equatorial mount on heavy movable wooden tripod. Valued at $1,500 in 1971. Very little is known about Jeslerski (1888-1944) and few telescopes by him are documented. He was an ethnic German who immigrated from Poland to Chicago. He did advertise in Popular Astronomy in the 1930s. Matches a set of 4 eyepieces, right angle prism and Hershel wedge marked with the letters “TEJ.”

Creator

Theodore E. Jeslerski, Chicago, Illinois

Publisher

Astronomy Department, University of Illinois, Urbana, Illinois

Date

circa 1935

Contributor

Michael Svec

Rights

Copyright Michael Svec

Format

image/jpg

Language

English

Type

physical object

Identifier

University of Illinois Observatory Collection A219

Coverage

University of Illinois Observatory, Urbana, Illinois

Files

6-inch f/16 equatorial refractor by Jeslerski
DSCN0274.JPG
Eyepieces and Hershel wedge by Jeslerski
DSCN0400.JPG
Jeslerski advertisement, Popular Astronomy, January 1939.
Jeslerski advertisement, Popular Astronomy magazine, October 1929

Collection

Tags

Citation

Theodore E. Jeslerski, Chicago, Illinois, “6-inch f/16 equatorial refractor by Jeslerski,” University of Illinois Observatory Collection, accessed August 16, 2017, http://uiobservatory.omeka.net/items/show/30.