Dangos 1 canlyniad

Disgrifiad archifol
Pant-coy Manuscripts Astronomy
Rhagolwg argraffu Gweld:
Esgynnol

Arithmetic book,

An arithmetic example and exercise book based partly, according to a note on the first page, on 'Treeby's Astronomy' [i.e. S. Treeby: The Elements of Astronomy ..., London, 1821, or Upwards of seven hundred questions in Treeby's Elements of Astronomy ... [London, 1822]].