I Single-track difference one bar per figure on Priestley’s scale: shared span in grey, engraving-only extent in black, index-only extent in red 0 0 50 50 100 100 50 50 200 200 50 50 300 300 50 50 400 400 50 50 500 500 50 50 600 600 MEN of LEARNING STATESMEN Thales Pythagoras Anacreon Pindar Sophocles Herodotus Thucydides Socrates Hippocrates Xenophon Plato Aristophanes Aristotle Demosthenes Zeno Stoicus Epicurus Euclid Theocritus Ennius Aristarchus Plautus Polybius Terence Lucretius Sallust Catullus Virgil Horace Livy Ovid Solon Cyrus Miltiades Themistocles Cimon Pericles Alcibiades Camillus Agesilaus Epaminondas Philip Dionysius Alexander Pyrrhus Aratus Agis Philopoemen Hannibal Scipio Af. Cato Censor T. Gracchus Marius Sylla Mithridates Pompey Cicero J. Caesar Brutus Augustus
II Residual dot plot how far the index falls from the engraving at each life’s birth and death end, in years, grouped by code -20 -15 -10 -5 0 +5 +10 index minus engraving (years) — left = index draws it later/shorter at that end d. +age [year] (n=48) Solon Thales Cyrus Pythagoras Anacreon Cimon Themistocles Pindar Pericles Alcibiades Sophocles Socrates Camillus Hippocrates Agesilaus Xenophon Plato Philip Alexander Demosthenes Aristotle Pyrrhus Epicurus Zeno Stoicus Agis Aratus Philopoemen Hannibal Scipio Af. Ennius Terence Aristarchus Cato Censor Polybius Marius Sylla Mithridates Lucretius Pompey Cicero Brutus J. Caesar Sallust Virgil Horace Augustus Ovid Livy d. [year] (n=4) Miltiades Epaminondas Plautus T. Gracchus d. af. [year] (n=2) Aristophanes Dionysius d. ab. +age [year] (n=2) Thucydides Catullus fl. [year] (n=2) Euclid Theocritus b. … d. af. [year] (n=1) Herodotus birth end death end
III Mean discrepancy by code which index notations Priestley drew faithfully, and which he drew loosely 0 1 2 3 4 5 6 mean |index − engraving| (years) 1.9 1.1 d. +age n=48 4.8 1.3 d. n=4 3.1 0.5 d. af. n=2 1.1 0.7 d. ab. +age n=2 2.2 2.9 fl. n=2 1.3 0.8 b. … d. af. n=1 birth end death end