Dall-Kirkham Cassegrain reflecting telescope of folding design
- maker:
- Horace Edward Dall
Dall-Kirkham Cassegrain reflecting telescope of folding design, aperture 4 inches, signed and dated 1974, in carrying pouch
Dall-Kirkham Cassegrain reflecting telescope of folding design, aperture 4 inches, signed and dated 1974, in carrying pouch