It is EXPERIMENT #35 from Diane Hale

[Katerina Nikoltsou (MomKat)]

Large envelope arrived in Greece,

and inside:

a beautiful vintage paper with fine penmanship of 'yore...

experiments with electricity, "electrolysis" (that's Greek):

I shall be carefully adding to this delicate A4 size page

and returning it soon...with tears and torn :-)

and "circles of energy":

many thanks Diane!

(for the note too)