Transcriber's Notes:
Obvious punctuation errors repaired. Hyphenation and spelling was standardized by using the most prevalent form.
| Page | Correction | |
| 20 | Aa ⇒ Aya | |
| 39 | Ulugh Begh ⇒ Ulugh Beg | |
| 46 | Astronomiæ Instaurata Mecanica ⇒ Astronomiæ Instauratæ Mechanica | |
| 58 | Oscillatorium Horologium ⇒ Horologium Oscillatorium | |
| 225 | seceded ⇒ succeeded | |
| 226 | areoplane ⇒ aeroplane | |
| 320 | Plate 2 - Vulpeculæ ⇒ Vulpecula |