Solar Furnace like this is being built by the Army at Natick. As sketch shows, sun's rays hit giant mirror called heliostat, shine through venetian blind arrangement called attenuator, then reflect from 180 mirrors on large concentrating mirror into the test chamber. Device will be used to test materials designed to protect soldiers near nuclear weapons explosions.

Digital Commonwealth — Boston Public Library

Solar Furnace like this is being built by the Army at Natick. As sketch shows, sun's rays hit giant mirror called heliostat, shine through venetian blind arrangement called attenuator, then reflect from 180 mirrors on large concentrating mirror into the test chamber. Device will be used to test materials designed to protect soldiers near nuclear weapons explosions.

[ca. January 1957]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Furnace

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