Carpenter John as the Texas caddy

Carpenter John carries a golf club to protect the neighborhood from river bandits. As he practices his swing he tells me about when he was a caddy in Texas. I speculate with him that the black rainbow he witnessed under the arm of one of the golfers may through a lineage of chemistry, materials and family go all the way back to 1841 February 23 the full moon when the chemical society of London had its first meeting with 77 members