JMS Pearce Hull, England, United Kingdom   His grace, his God-knows-what: for Cupid’s cup With the first draught intoxicates apace, A quintessential laudanum or ‘black drop,’ This makes one drunk at once, …  Byron’s Don Juan (1823) Figure 1. Glass bottle inscribed “Laud:Liqv:Syd” (Sydenham’s laudanum) Figure 2. Kendal “Black Drop”   The opium or breadseed…