Item 42
Container
Contains 40 Results:
Photograph of calcium arsenate
Item — item: 42, item: 7538
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Airplane in dusting operation
Item — item: 42, item: 7571
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Airplane in dusting operation
Item — item: 42, item: 7574
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Airplane in dusting operation
Item — item: 42, item: 7575
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Airplane in dusting operation
Item — item: 42, item: 7577
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Airplane in dusting operation
Item — item: 42, item: 7579
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Airplane in dusting operation
Item — item: 42, item: 7582
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
An airplane on ground- close up to show some unknown installation
Item — item: 42, item: 7624
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
An airplane on ground- close up to show some unknown installation
Item — item: 42, item: 7625
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection
Waco duster
Item — item: 42, item: 7626
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
1915 - 1925
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection