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Flow Indicator, Liquid Oxygen, Rocket Engine, R.H. Goddard


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

This is a flow regulator for liquid oxygen, also called a lox [flow] indicator, and was used by Robert H. Goddard for some of his earliest liquid fuel rocket experiments, about 1923-1924.

Mrs. Robert H. Goddard donated this object to the Smithsonian Institution in 1959 as part of a large collection of artifacts from her husband.

Collection Item Long Description:

Data Source

National Air and Space Museum


Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


Credit Line

Gift of Mrs. Robert H. Goddard


Steel, Brass, Felt, Copper, Natural Fabric, Cardboard, Plastic


3-D: 41.9 x 6.7 x 30.5cm (16 1/2 x 2 5/8 x 12 in.)

Country of Origin

United States of America



Inventory Number