Balsamic Syrup.
Take Balsam of Tolu 6 drams, boil it (without scumming) In Spring (or fine Barly) water 20 ounces, to 12 ounces; then add treble refined Sugar 1 pound, and without any further boiling, as soon as 'tis melted, take it off from the Fire; set it by to cool, and then strain it.
Thomas Fuller
Pharmacopeia Extemporanea 1710