The Turn Of The Century Electrotherapy Museum

More Quenched Gap Experiments
3/4" Diameter Tungsten Dual Hydrocarbon Quenched Spark Gap

Tests using 3.5" Stainless Steel Disks with paper washers for spacers

9 series, roughly 1000V across the gap...

Appearance of oxidation of sparks on the disks

3/4" Diameter Tungsten 2-Series Quenched Hydrocarbon Spark Gap Test

Trial and errors using filtration media (cellulose/polyester)

Paper media washers soaked in turpentine used as dielectric

Appearance of soaked washer

Testing on low power

After ignition soot forms in the gap...which is easily cleaned with paper towels.