And here's the same mouthpiece after 30 minutes immersed in white malt vinegar. You can quite clearly see that the scale deposits have gone. What you can also see is that the mouthpiece has taken on a dull greenish hue. This is due to the action of the vinegar on the Ebonite that the mouthpiece is constructed of.
John Bell Hood died 8/30/1879 of yellow fever, at 3:30A in New Orleans, Louisiana. His wife, Anna Marie Hennen Bell died 8/24/1879 of yellow fever also. His daughter Lydia died 8/26/1879 of yellow fever. Hood's remains was later moved to the Hennen Vault in Metairie Cemetary. His parents were Jasper Hood and Tryntje Andries.
The inquest has still not concluded. John Harris did not die by hanging, he was found lying on a bed with a plastic bag on his head, inside of the bag was a can of gas. The inquest opened on the 9th June 2015, the body of the late John Harris was discovered on the 1st June 2015.