Newman & Guardia Price Guide: estimate a camera value

Antique, vintage and used digital
cameras/lenses price guide.

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Newman & Guardia was founded in 1893 by Arthur Newman (camera designer at Newman & Simpson) and Julio Guardia (businessman and photographer). This was a successful company until Julio died in 1906 and Arthur resigned his directorship in 1908. Later, in 1909, Newman set up a new company with James A. Sinclair - Newman & Sinclair Ltd.. Original N&G company existed until approximately 1959, when it was incorporated into Lawley Apparatus Company and later acquired by Éclair-Debrie.
Very detailed description of N&G cameras can be found at early photography site.

Newman & Guardia cameras:	Years of manufacture:
Baby Sibyl	1912-1935
Baby Sibyl (rangefinder)	1912-1935
Baby Sibyl (rollfilm)	c1920
Cyclops	c1908
Deluxe	1896-1922
Half-Plate Pattern	c1895-1900s
High Speed Pattern	c1892-1913
Longfocus Reflexkamera	1902-1922
New Ideal Sibyl	c1913
New Special Sibyl	1913-1935
Nydia	c1900
Pattern A	c1892-1905
Pattern B	c1892-1905
Pattern C	c1892-1903
Postcard Sibyl	c1912-1914
Reflex	1902-1922
Reflex (Folding)	1921-1930s
Sibyl	c1907-1912
Sibyl Deluxe	c1911
Sibyl Excelsior	c1933
Sibyl Imperial	c1910
Sibyl Stereo (folding)	c1920
Sibyl Stereo (strut-folding)	1911
Sibyl Vitesse	c1930s
Special B	c1892-1905
Special Sibyl	1910-1913
Special Stereo Rollfilm Sibyl	c1920s
Special Stereoscopic	1898
Special Twin Lens Pattern	c1898-1900s
Stereoscopic Pattern	c1896-1911
Trellis	c1910-1930
Twin Lens Pattern	c1892-1900s
Universal Pattern B	c1905-1913
Universal Special Pattern B	c1905-1913