Pair of historical books 18./19. century

Lot 1047 limit € 30

1 x D. Johann Gottlob Krüger "The first principles of natural science in an easy and pleasant way for use by young people and beginners", Halle and Helmstedt: published by Carl Hemmerde, 1763, cardboard cover and 1 x "Julius Agricola. A biographical essay by L. Tacitus", Meissen: Erbstein, 1800, paper cover of the time, different Signs of age and wear (among other things, the cover is damaged, scuffed, scrawled in pencil on Krüger p.144/45, on Tacitus heavier waterstains)