Note 42 — LXXX. A Dissertation on the Antiquity of Glass in Windows. In a Letter to the Rev. Tho. Birch, D. D. Secret. R. S. By the Rev. John Nixon, M. A. F.R.S.
Reading edition
These glass balls had sometimes water within them: Cùm additâ aquâ vitreæ pilæ sole adverso in tantum excandescant, ut vestes exurant. Plin. lib. xxxvi. c. 22. §. 45.
Invenio medicos, quæ sunt urenda corporum, non alitèr utilius id fieri putare, quam crystallinâ pilâ adversis positâ solis radiis. Plin. Nat. Hist. lib. xxxvii. c. 6. §. 10.