Details of exhibit

Exhibition:
1915 Sixtieth Annual Exhibition of the Royal Photographic Society of Great Britain  
Exhibit title:
  
Exhibitor:
Mount Wilson Solar Observatory 
Section:
III. Scientific and Technical Photographs, &c. 
Exhibit No.:
173 to 184 
Description:
[1] Dome of 100 in. reflecting telescope under construction.
[2] 150 ft. tower telescope.
[3] Revolving head of 75 ft. spectrograph.
[4] Spectro-heliograms showing distribution of hydrogen in the solar atmosphere and in the vicinity of sun spots.
[5] Solar prominence about 80,000 miles high.
[6] Bipolar sun spot group with spectrograms made to show displacements of lines due to the magnetic field.
[7] Sun spot spectrum showing triple and quadruple lines to the magnetic field.
[8] Vortex rings of coloured fluid rising through water.
[9] Successive forms of vortices produced in water by the rotation of a wire.
[10] Single smoke vortices for comparison with hydrogen flocculi about single sun spots.
[11] Double smoke vortices for comparison with hydrogen flocculi about bipolar sun spots.
[12] Horizontal sections of smoke vortices at different levels.
[13] Comparison of smoke vortices with solar prominence near sun spots.
[14] Typical stellar spectra.
[15] Intensity of continuous spectrum of stars of large and small motion.
[16] Stars of large and small radial velocity.
[17] Spectrum of the great cluster in Hercules.
[18] Spectrum of the Andromeda nebulae.
[19] Spectra of Novae. 
Exhibit type:
Photographic equipment and supplies 
Process:
[Not Listed] () 
Award:
none