Image: Rockwell vaultlight colourized
Rockwell_vaultlight_colourized.png (563 × 376 pixels, file size: 829 KB, MIME type: image/png)
Description: Colourized patent drawing of an early vault light
Title: Rockwell vaultlight colourized
Credit: Proximal source: http://glassian.org/Prism/Patent/X8058/drawing.html Ultimate source: Rockwell's original patent [1]
Author: E. Rockwell (patentor), colourized and cropped by uploader
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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