From Liege to Aix-la-Chapelle mb-code NTS_BTN_5_40 yellow and blue spectra with

yellow and blue spectra with curves of maximum intensity (figures 1-3) and their combination into a solar spectrum (figures 4-5)

Zoological study of the giant tree frog

St Paul's Cathedral from Southwark Bridge

Plate 1 from the monograph A new elucidation of colours

some of the crowd broke down railings in Park Lane in order to gain admittance to Hyde Park and a battle ensued between the rougher elements of the working class and the police

From Liege to Aix-la-Chapelle mb-code NTS_BTN_5_40 yellow and blue spectra with'From Liege to Aix la Chapelle, 1914' (1916). Plate 6 from The Great War: A Neutral's Indictment by Louis Raemaekers, 1916. The cartoons of the Dutch artist Louis Raemaekers (1869 1956) depicted the German occupation of Belgium in World War I as a period of barbarism and brutality.