View Images (544 items)

• ««
• «
• 2
• 3
• 4
• 5
• 6
• »
• »»

View 2 images

Solar spectrum (9): 1 April 1879

View 2 images

Solar spectrum (10): 2 April 1879

View 2 images

Solar spectrum (5): 2 April 1879

View 2 images

Spectra (8): 4 April 1879

View 2 images

Spectra (1) - No. 3: 4 April 1879

View 2 images

Spectra (11) - No. 1: 6 April 1879

View 2 images

Spectra (9): 6 April 1879

View 2 images

Bromide of silicon laboratory spectrum (22): 23 April 1879

View 2 images

Spectra (14): 11 May 1879

View 2 images

Solar spectrum (4): 15 May 1879

View image

Stellar Spectra Dispersion ~90A/mm-11 glass slide: circa 1879

View image

Stellar Spectra Dispersion ~90A/mm-11 glass slide: circa 1879

View image

Stellar Spectra Dispersion ~90A/mm-11 glass slide: circa 1879

View image

Stellar Spectra Dispersion ~90A/mm-11 glass slide: circa 1879

View image

Stellar Spectra Dispersion ~90A/mm-11 glass slide: circa 1879

View 2 images

Stellar Spectra Dispersion ~90A/mm-11 glass slide: circa 1879

View 2 images

Carbon Channeled Spectrum (18): 23 April 1880

View 2 images

Carbon Bands Identified (20): 23 April 1880

View 2 images

Iron Arc Crucible (21): 23 April 1880

View 2 images

Crucible and Sun (3): 25 April 1880

View 2 images

Carbon Crucible (4): 25 April 1880

View 2 images

Carbon laboratory spectrum (25): 25 April 1880

View 2 images

Carbon and Sun (16): 1 May 1880

View 2 images

Carbon In Sun (19): 1 May 1880

• ««
• «
• 2
• 3
• 4
• 5
• 6
• »
• »»