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Handbooks and manuals, Charts, diagrams, etc

Directions for Beckman pH meter (Laboratory Model)
- 1938
This page of instructions would have been located inside the lid of the pH meter, so that users would be able to read the instructions upon opening its case.

Arnold Beckman invented his first pH meter in 1934 at the…
- Creator Of Work Beckman Instruments, Inc.
- Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Beckman Instruments, Inc.
Handbooks and manuals, Charts, diagrams, etc

Directions for Beckman pH Meter (Industrial Model)
- 1937-Dec
This page of instructions would have been located inside the lid of the pH meter, so that users would be able to read the instructions upon opening its case.

Arnold Beckman invented his first pH meter in 1934 at the…
- Creator Of Work Beckman Instruments, Inc.
- Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Beckman Instruments, Inc.
Illustrations

Company I, Third Battalion; Casual Company, Second Battalion; Fourth Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

Company K, Second Battalion; Company L, Second Battalion; Company N, Second Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

Company E, Second Battalion; Company F, Second Battalion; Company H, Second Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

Company A, Second Battalion; Company B, Second Battalion; Company C, Second Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

Civilian Personnel at Headquarters, Baltimore—Group II
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

Company D, First Battalion; Company E, First Battalion; Company F, First Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare, African Americans
Illustrations

Civilian Personnel at Headquarters, Baltimore—Group I
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

Group of Officers Third Battalion; Group of Officers Second Battalion; Company M, Third Battalion; Company L, Third Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Armies--Officers, Chemical warfare
Illustrations

Pills for the Huns
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject Phosgene, Chemical agents (Munitions)--Transportation, Chemical agents (Munitions)--Storage, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical agents (Munitions), Chemical warfare, World War (1914-1918)
Illustrations

Interior View of Typical Shell Filling Plant
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical plants, Chemical warfare
Illustrations

Ethylene Unit of Mustard Gas Plant
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), Mustard gas, Chemical plants, Chemical warfare, United States. Army. Chemical Warfare Service, Chemical plants--Equipment and supplies
Illustrations

Side and Top View of the Latest Mustard Gas Unit
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), Mustard gas, Chemical plants, Chemical warfare, United States. Army. Chemical Warfare Service, Chemical plants--Equipment and supplies
Illustrations

Interior View of Phosgene Plant
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject Phosgene, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical plants, Chemical warfare, World War (1914-1918)
Illustrations

One of the Eight Cell Rooms of the Chlorine Plant
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Chlorine, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical plants, Chemical warfare
Illustrations

Painting and Striping Shell and Livens Drums
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Projectiles, Chemical plants, Chemical warfare
Illustrations

Filling 75mm Shell with Mustard Gas
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), Mustard gas, Projectiles, Chemical plants, Chemical warfare, United States. Army. Chemical Warfare Service
Illustrations

Medical Detachment, Base Hospital, Edgewood Arsenal; A Group of Buildings Comprising a Portion of the Base Hospital
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Military hospitals, American, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare, Armed Forces--Medical personnel
Illustrations

Forward, March; Company A, First Battalion; Company B, First Battalion
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Soldiers, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

A Group of Officers at Headquarters, Baltimore
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Armies--Officers, Chemical warfare
Illustrations

A Typical Room in the Chemical Laboratory
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Chemical laboratories, Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical warfare
Illustrations

General View of Chlorine Plant—The Largest Ever Built
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical plants, Chemical warfare
Illustrations

Interior View of Chloropicrin Plant
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Chemical plants, Chemical warfare, Chloropicrin
Illustrations

Commissioned Personnel—Chemical Warfare Service, U.S.A.—Washington, D.C., December 13, 1918; General View of Typical Barracks
- Part of The Edgewood Arsenal
- 1919-Mar
- Contributor United States. Army. Chemical Warfare Service
- Subject World War (1914-1918), Maryland--Edgewood (Harford County), Edgewood Arsenal (Md.), United States. Army. Chemical Warfare Service, Armies--Officers, Armed Forces--Barracks and quarters, Chemical warfare

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