US 1948 Palomar Mountain Observatory, California 3c.x2 Scott. 966a Pair

Series: Palomar Mountain Observatory Issue
Stamp details: Observatory, Palomar Mountain, California
Issued date: 30-08-1948 (dd/mm/yyyy)
Face value: 3c.x2
Emission: Commemorative
Watermark: No Watermark
Catalogue No:-
Scott (USA): 966a
Printer: Bureau of Engraving and Printing
Print Method: Rotary Press
Stamp Colors: Blue
Perforation: Perf 10½ x 11
Themes: Observatory, Astronomy
Note: Se-tenant, Vertically pair, imperforate between two stamps.
Stamp details: Observatory, Palomar Mountain, California
Issued date: 30-08-1948 (dd/mm/yyyy)
Face value: 3c.x2
Emission: Commemorative
Watermark: No Watermark
Catalogue No:-
Scott (USA): 966a
Printer: Bureau of Engraving and Printing
Print Method: Rotary Press
Stamp Colors: Blue
Perforation: Perf 10½ x 11
Themes: Observatory, Astronomy
Note: Se-tenant, Vertically pair, imperforate between two stamps.
Description:- Palomar Observatory is an astronomical research observatory in San Diego County, California, United States, in the Palomar Mountain Range. It is owned and operated by the California Institute of Technology (Caltech). Research time at the observatory is granted to Caltech and its research partners, which include the Jet Propulsion Laboratory (JPL), Yale University, and the National Optical Observatories of China.
The observatory operates several telescopes, including the 200-inch (5.1 m) Hale Telescope, the 48-inch (1.2 m) Samuel Oschin Telescope (dedicated to the Zwicky Transient Facility, ZTF), the Palomar 60-inch (1.5 m) Telescope, and the 30 cm (12 in) Gattini-IR telescope. Decommissioned instruments include the Palomar Testbed Interferometer and the first telescopes at the observatory, an 18-inch (46 cm) Schmidt camera from 1936.
Source: en.wikipedia.org/wiki/Palomar_Observatory
Source: en.wikipedia.org/wiki/Palomar_Observatory