1950s portrait of baby sitting one arm raised waving mb-code BK002266 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)

At the fifth attempt the two ships reached their destinations and the two continents were finally joined on 5th August 1858 starting at Valentia Harbour in Ireland

The Duke of Kent and Lord Mayor of London Sir Matthew Wood advertising a lottery scheme

The railway was being constructed by the 'cut and cover' method

the original drawings of this publication were executed by the celebrated Mademoiselle Maria Hockecker

1950s portrait of baby sitting one arm raised waving mb-code BK002266 yellow and blue spectra with