I was going to make a comment about the word "spelt" but I decided to look it up first.

1st def. PP of the work spell
2nd def. Something to do with wheat.

One of those words that sounds incorrect, but turns out to be correct.

Jack Sim

Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available