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Summary
| Description |
English: This engraving, found on the back of an Alvan Clark 4 inch refractor, gives the date of manufacture (1882) and factory location in Cambridgeport, Massachusetts. Taken with permission at Rockford University. |
| Date | |
| Source | Own work |
| Author | Blablabliam |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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- to share – to copy, distribute and transmit the work
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:57, 21 January 2022 | | 3,024 × 4,032 (2.97 MB) | Blablabliam | Uploaded own work with UploadWizard |
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