Keywords: Robertson Patent Solicitors ad.png en Advertisement for Robertson Co patent solicitors from the Mechanics's Magazine of London in 1847 http //books google co uk/books id pNRQAAAAYAAJ pg PA410 img 1 zoom 3 hl en sig ACfU3U09Yw40x5YFo8Ziq4hzCl143fyfcA ci 54 2C96 2C454 2C734 edge 0 Google Books author 1847 PD-old-100 Images from The Mechanics Magazine 1847 advertisements |