[Stratigraph of industrial activities the young Stanley Jevons (and later political economist) based on a hierarchy of human needs, made during his stay as gold-assayer at the Sydney Mint, Australia, around 1857]
[Stratigraph of industrial activities the young Stanley Jevons (and later political economist) based on a hierarchy of human needs, made during his stay as gold-assayer at the Sydney Mint, Australia, around 1857]