8 Anonymous In: Question-Answer What was used to fill thermometers before mercury? 8 What was used to fill thermometers before mercury? Magma Bourbon Brandy Helium 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-08-18T08:48:16+00:00Added an answer on August 18, 2021 at 8:48 am The correct answer is Brandy. 7 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.