Set of 6 test-tubes 5 of which have glass caps, set upright in a test-tube stand made from wire and glass, used by Lister in his experiments on lactic fermentation circa 1877 Set of 6 test-tubes 5 of which have glass caps 1875-1880
Match, tubular length of fibre, white fibre core, green outer fibre, calibrated along its length by blobs of phosphorus, European, 1800-1880 Match, tubular length of fibre 1800-1880
Set of 6 test tubes, each with a glass cap, set upright in a test-tube stand made from glass and wire, used by Lister in his experiments on lactic fermentation, circa 1877 Set of 6 test tubes