Bruce
Herd Master
I figured you could get the metal to expand such that with enough force you could unscrew the caps once the jars are right side up. You want to heat the metal more than the glass.
You might need a jar opener. I have one like this
Jar opener on Amazon
but mine has a wooden handle, it works well. It belonged to my grandmother who lived in So. Cal all her life after moving from Spain with her father around 1900. The opener was made by Edlund, coincidentally still in business in Burlington 1/2 mile from my prior house. The patent is from 1933 and I suspect the opener is from the earliest period when they were made.
You might need a jar opener. I have one like this
Jar opener on Amazon
but mine has a wooden handle, it works well. It belonged to my grandmother who lived in So. Cal all her life after moving from Spain with her father around 1900. The opener was made by Edlund, coincidentally still in business in Burlington 1/2 mile from my prior house. The patent is from 1933 and I suspect the opener is from the earliest period when they were made.