Holographyforum.org / holowiki.org

Here are a couple of samples of normal vs alcohol drying on some Agfa 8E56HD film in contact with coins, done the other week: Agfa2Up copy.jpg CWC2 developer, bleach in a rehalogenating bleach, see here: http://edweslystudio.com/Formulae/Bleaches/TJBleach.html . The one on the left was washed in wat...

The Home + Studio of E. Wesly & Sons invites you to the nth Annual OPEN HOUSE and HANSFEST! Celebrating over 30 years of working and partying together! Every year on his return trip from Photonics West, Hans Bjelkhagen stops off for some nice cold Chicago weather, (must be pining for the frigid ...

Here is a recipe for the "Brilland bleach" that is what is said to be the recipe that Gentet uses: 30g Ferric sulfate (should be Fe III, which is what's usually sold) 30g Citric acid (readily available in drugstores) 30g Potassium Bromide 1000 cc water It is from this site: https://holowik...

They were published, I saw a copy at ISDH 2018, but they wanted 60 Euros for them regardless of whether you were a participant or not, to cover the cost of the hologram on the cover, according to Hans. He also said that David Radcliffe had brought only 7 of them. Maybe Hans or Alkis or someone from ...

My papers and slide shows from ISDH 2018, and previous, are at:http://edweslystudio.com/Publications/Publications.html

Enjoy!

Please post pictures.

Michael Page of Toronto had a contraption where you "played" the hologram of an antique drum, complete with a hand attachment so you could "feel" the drum head, at the MIT ISDH in 2012. Check out the on-line proceedings for his paper.

Surprised that the potassium bromide didn't dissolve, even with heating. Try grinding the crystals into smaller chunks and see if they dissolve. Sodium carbonate definitely does dissolve more readily in warm water, like 38 - 40C. That is why it fell out of favor as a laundry washing detergent, as co...

"By any chance, any idea how I could prepare my D-19 in 2 solutions A and B stored separately to longer the shelf duration ?" The trick is to keep the developing agents separate from the alkali, which is also known as the activator. See page 6 in http://edweslystudio.com/Formulae/Developer...

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