THREE ANTIQUARIAN BOOKS - HISTORY, MATHEMATICS AND PHILOSOPHY (3) Jewellery > Necklaces & Pendants > Pearl Necklaces and matching interior lining with

and matching interior lining with open compartment and slip pocket

2025 stating that there are indications of heating and that natural rubies are commonly heated

Circa 2010

mounted in a platinum setting marked 'Pt900'

THREE ANTIQUARIAN BOOKS - HISTORY, MATHEMATICS AND PHILOSOPHY (3) Jewellery > Necklaces & Pendants > Pearl Necklaces and matching interior lining withSchmitth, Nicolaus, Imperatores Ottomanici a capta Contantinopli, (The Ottoman emperors, after the capture of Constantinople), Trnava Jesuit Academy, 1760, Vol 1, Latin text, full leather binding; Christian Wolff, Elementa Matheseos Universae (Elements of Universal Mathematics), New Edition, 1730, Vol 1, Latin text, numerous fold out illustrations to end of volume, pages browned throughout, wear to boards and binding; Franz Samuel Karpe, Compendia