Box 4 -- Folder: Market Street Railway. Streetcars. Line #40. Prints with Negatives. 5 of 5.
Written on back: "M.Ry. 1242 - 40 line northbound in San Mateo turning into Ellsworth"
Written on negative envelope: "1243 [actually 1242] - 40 line M.S.Ry. leaving San Mateo onto Ellsworth st. 1946."
A color photographic print exists for this transparency.