Riley Optical Instrument Co.

Lantern slide and equipment manufacturer
Location
Dates of Production
ca. 20th century

Lantern slide and equipment manufacturer.

3 E 14th St NY - dates unknown
23 E. 14th St., New York - ca. 1907
150 Fifth Ave., N.Y. - dates unknown
111 Fifth Avenue - ca. 1919

References

Moving Picture Age Reel and Slie Magazine, Vol. II No. 11, November, 1919, 36.https://ia800306.us.archive.org/2/items/movingpictureage02unse/movingpi…
The Moving Picture World and View Photographer, Vol. 1, No. 1, March 9, 1907, p. 29. https://archive.org/details/movingpicturewor00worl/page/n5/mode/2up