Mary Elizabeth Hallock Greenewalt papers

Musical Edition

Collection 0867

( Bulk, 1879-1950 ) 1769-1950, undated
(18.2 Linear feet ; 39 boxes, 29 volumes, 23 flat files)

Series VI

Photographs circa 1870-1933   ; 2 boxes, 1 volume, ?? flat files

Scope and Contents

A photograph album prepared by Greenewalt houses photos, sketches, and commentary on the development of her color organ and her subsequent efforts to sue for patent infringements. In addition, the album contains several family photos and copies of childhood notes written by the Greenewalts’ son, Crawford. Also included in this series, and separate from the album, are Greenewalt and Hallock family photographs, photos of Greenewalt’s early light player, and several photos related to early patent applications.


Greenewalt and Hallock Families, Color Organ, Miscellaneous Photographs circa 1870-circa 1930, undated 

Box Folder

Black and White Photo, Lighted Fountain undated 

29 1

Photo, Theatre Installation, Equipment for Light Color Play 1925 

29 2

Three Photos, Crawford Halock Greenewalt and Margaretta du Pont Greenewalt and Daughter, Nancy 1929 

29 3

Four Photos, Frank Lindsay Greenewalt undated 

29 4

Photo, Mary Hallock Greenewalt 1910 

29 5

Wedding Photo, Margaretta du Pont Greenewalt undated 

29 6

Two Photos, Neighborhood Playhouse Production, “A Pagan Poem,” Press Clipping, Correspondence, Musical Scores 1931-1932 

29 7

Four Photographs of Early Light-Color Play Console, from Scrapbook, “Who’s Who and Other Reference Works” 1919-1922 

29 8

Photos, Clippings, Writings Pasted into Red, Wire Bound Book 1920-1933, undated 


Photo, National Convention, National Woman’s Party, Washington, D.C. 1921 

Flat File 14

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