. Carnegie Institution of Washington publication. 8o which seeks to express a wide range of phenomena under a single mathematical law. As already in- dicated, the policy of the Observatory is to enlist in this endeavor the ablest mathematical astron- omers and physicists, of Europe or America, whose cooperation can be Fie,. 56.—Large Measuring MachiiiL- for Solar Spectra INSTRUMENT AND OPTICAL SHOPS. The equipment of the instrument and optical shops has grown steadily with the demands of the work in progress. Our requirements range from the accurate cutting of the teeth of worm-gears
. Carnegie Institution of Washington publication. 8o which seeks to express a wide range of phenomena under a single mathematical law. As already in- dicated, the policy of the Observatory is to enlist in this endeavor the ablest mathematical astron- omers and physicists, of Europe or America, whose cooperation can be Fie,. 56.—Large Measuring MachiiiL- for Solar Spectra INSTRUMENT AND OPTICAL SHOPS. The equipment of the instrument and optical shops has grown steadily with the demands of the work in progress. Our requirements range from the accurate cutting of the teeth of worm-gears 14 feet in diameter dowrn to the smallest attachments of microscopes, galvanometers, and other delicate. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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