Colours of double stars Product:Postcard showing women and young children

showing women and young children

Plan of St Paul's Cathedral

Chinese Building and Rotunda in Ranelagh Gardens

') and retorts (right

Colours of double stars Product:Postcard showing women and young childrenColour chart for the classification of double stars by optical astronomy. Plate from Sidereal chromatics; being a re print, with additions, from the 'Bedford cycle of celestial objects,' and its 'Hartwell continuation,' on the colours of multiple stars by William Henry Smyth (London, John Bowyer Nichols and Sons, 1864). The plate carries no artist or printer credits. The chart omits shades between white and pale yellow as being 'unfit for