Browse Items (41 total)
Kevin Schindler Astronomy Magazine, Blink Comparator "Want to discover Planet X? You'll need these three tools" Article in Astronomy Magazine by Kevin Schindler, May 20, 2015
Kevin Schindler Astronomy Magazine, Blink Comparator "Want to discover Planet X? You'll need these three tools" Article in Astronomy Magazine by Kevin Schindler, May 20, 2015, 2015-05-20
In 1911 Lampland suggests the purchase of a Zeiss Blink Comparator to aid in the search for Planet X.
Lampland modifies the apparatus to…
Tags: Pluto
Lampland, Carl, Blink Comparator Letter from Carl Lampland to Carl Zeiss , April 4, 1932
Lampland, Carl, Blink Comparator Letter from Carl Lampland to Carl Zeiss , April 4, 1932, 1932-04-04
Zeiss Blink Comparator used at Lowell in the discovery of Pluto in 1930; Request for complete descriptive literature of the instrument in its present…
Tags: Pluto
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Carl Zeiss , November 17, 1919
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Carl Zeiss , November 17, 1919, 1919-11-17
Order for a Stereo-Comparator with the Blink-Mikroskop in the largest size
Tags: Pluto
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Edward Fath (Goodsell Observatory), February 12, 1929
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Edward Fath (Goodsell Observatory), February 12, 1929, 1929-02-12
New pieces of equipment at Lowell Observatory: Photographic objective (Cooke Astro type of lens) and the Blink Comparator
Tags: Pluto
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to F. Y. Ferner (National Bureau of Standards), September 21, 1921
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to F. Y. Ferner (National Bureau of Standards), September 21, 1921, 1921-09-21
Inquiry regarding description and manufacturer of the Blink-comparator (Carl Zeiss of Jena, Germany - 'Stereo-Komparator')
Tags: Pluto
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Phillip Fox (Adler Planetarium), December 4, 1929
Lampland, Carl O., Blink Comparator Letter from Carl Lampland to Phillip Fox (Adler Planetarium), December 4, 1929, 1929-12-04
The large Zeiss comparator being kept busy all the time on the examination of star fields taken with the new 13-inch photographic telescope
Tags: Pluto
Lampland, Carl O., Blink Comparator Lowell Observatory Library Letter from Carl Lampland to Clyde Tombaugh, August 23, 1932
Lampland, Carl O., Blink Comparator Lowell Observatory Library Letter from Carl Lampland to Clyde Tombaugh, August 23, 1932, 1932-08-23
Visit by the Royal Astronomical Society group to Lowell. Group was very disappointed in not meeting Clyde Tombaugh but did see the pair of discovery…
Lampland, C.O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, May 18, 1933
Lampland, C.O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, May 18, 1933, 1933-05-18
Announcement of new edition of Baker's 'Astronomy'
Lampland hopes the shortcomings of the earlier edition will be remedied in connection with Pluto
Tags: Pluto
Lampland, Carl O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, October 22, 1932
Lampland, Carl O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, October 22, 1932, 1932-10-22
Problem with the treatment of the discovery of Pluto in Professor Baker's new book on Astronomy wherein Tombaugh's name is not mentioned as the…
Tags: Pluto
Lampland, Carl O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, October 29, 1932
Lampland, Carl O., Credit for the discovery of Pluto Letter from Carl Lampland to Clyde Tombaugh, October 29, 1932, 1932-10-29
Problem with the treatment of the discovery of Pluto in Professor Baker's new book on Astronomy wherein Tombaugh's name is not mentioned as the…
Tags: Pluto