Definition of "unglobed"

I read them by the light of the unglobed gas; the clear, fine penmanship was legible as print, and when I came to the end I cursed the anecdote of the French authors.

1898, William Makepeace Thackeray, The Cornhill Magazine, volume 78, page 515

She whipped up the cards on the floor, extinguished an unglobed candle, and ruffled open the pages of Claude's copybook.

2001, Allen Kurzweil, A Case of Curiosities