Chihulys Seaform Pavilion At Night
Mark Newman
Fraunhofers Spectroscope #1
Omikron
Joseph Von Fraunhofer, German Optician
Science Source
Joseph Von Fraunhofer, German Optician #1
Science Source
Joseph Von Fraunhofer, German Optician #2
Science Source
Hand Displaying Silica Granules
Inga Spence
Glassblowing Bottle Factory, 19th
Science Source
Fraunhofers Spectroscope
Omikron
Fraunhofers Spectroscope, 1814
Omikron/Yerkes Observatory
Glassblowing Factory, 19th Century
Science Source