This is a back-up instrument for the Bragg crystal X-ray spectrometer experiment flown in the pointed sail section on OSO-4, launched on 18 October, 1967. It was designed and built at the Naval Research Laboratory (NRL) by Talbot Chubb in Herbert Friedman's group. The spectrometer was transferred to NASM from NRL in 1982. It was acquired still in its original display box with other OSO-era solar instrumentation.

Display Status

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

Object Details

Country of Origin

United States of America

Type

INSTRUMENTS-Scientific

Manufacturer

NAVAL RESEARCH LABORATORY

Dimensions

3-D (Hex Board Storage): 116.8 × 61 × 20.3cm, 11.3kg (3 ft. 10 in. × 2 ft. × 8 in., 25lb.)
3-D (Spectrometer, X-ray, OSO-4): 101 × 26 × 9.5cm, 8.6kg (3 ft. 3 3/4 in. × 10 1/4 in. × 3 3/4 in., 19lb.)

Materials

Magnesium
Copper Alloy
Ferrous Alloy
Plastic
Unknown Coating
Paint
Electrical Wiring

Inventory Number

A19840819000

Credit Line

Transferred from the Naval Research Laboratory

Data Source

National Air and Space Museum

Restrictions & Rights

Usage conditions apply
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