Object name: | Heliostat |
Maker: | Possibly the John A. Brashear Co., Allegheny PA. |
Serial / Maker's No: | |
Patent Date / Patent No / Date of Manufacture: | Similiar items were sold by the Brashear Co. around 1910. |
Length: | |
Width/Depth: | |
Height: | 17" |
Diameter: | The base has a 12" diameter footprint. |
Weight: | 23.75 lbs. |
Description: | Probably used for teaching purposes. The mirror measures 3/8" x 5" x 8" |
References: | Larry Webster of the Mt. Wilson Observatory has a similar heliostat that is signed "John A. Brashear Co. Ltd. Allegheny, PA USA." |
Provenance: | |
Inventory Number: | D1L |