Image Date: - C.1931. JAMES A. SINCLAIR'S BUSINESS BEGAN IN 1904, AND CONTINUED UNTIL AT LEAST 1931 (HE DIED IN 1940).
Comments on Photo: 8.2CM X 8.2CM GLASS POSITIVE SLIDE
Comments on Subject: NO INTERIOR CAPTION. PRINTED ON OUTSIDE: JAMES A. SINCLAIR AND CO. LTD., LONDON. LANTERN SLIDE MAKERS. [HANDWRITTEN CAPTION, TRIER - PORTA NIGRA, IS MODERN (BB)]. (BURTON-BROWN COLL.)