More gumprints. Correspondence

The time is coming when letter writing with pen and ink and sent as a personal message from one person to another will be as much of a rarity as the gold pocket watch carried on a chain —Andy Rooney

(pasted from: The free dictionary)

Two sisters, one at home and the other one service maid in France and Belgium, exchanged cards whose only aim was to keep in touch.

P1000685-gw

P1000684-gw

Back and front of the cards, reproduced by gum bichromate photography.

For more information on the photographic process see:

Wikipedia

AlternativePhotography

Gumphoto

St Pauls Photography – Gum Bichromate (youtube video)

Caution: be aware that potassium and ammonium di/bichromats are strong oxidising agents, thermodynamically unstable  with strong combustion reactions; like all chromium VI compounds they are highly toxic and cancerogenic.

Original postcads:

originals by N. Schumacher, Mondorf les Bains and Verlag von S. Meyer-Schock, Buchdruckerei, Grevenmacher