english: In the days before pocket calculators, the numbers that most professionals needed -- bankers, insurance agents, ship captains, engineers — were to be found in lookup books like this, filled with tables of figures.
non_english: U doba pre džepnih kalkulatora, brojevi potrebni većini stručnjaka - bankarima, agentima osiguranja, brodskim kapetanima, inženjerima - mogli su se naći u preglednim knjigama kao što je ova, ispunjenim tabelama sa brojevima.