The sandpaper is from the worksite next door. I got it when I liberated their stepladder to help in dispatchching the rafter-crab. With a Treasury of Canadian Humour from 1967.
brucine (broo'-seen), 1) n. Pharm., Chem. a bitter, poisonous alkaloid, C23H26N2O4, obtained from the nux vomica tree; 2) n. Bruce Bortin's 'low-impact' weblog