Spectra

X04362

X04515 is a glass plate negative. It has markings denoting celestial objects. The plate was broken and mended by using tape to attach the glass plate to a piece of clear glass.

X04709 is a glass plate negative. It has markings denoting celestial objects. The plate was broken and mended by using tape to attach the glass plate to a piece of clear glass.

X04766

X04832

X05708

X05929

X06191

X06255

X06265 is a glass plate negative showing two spectra. The plate is missing the lower corner.

X06440

X07580

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