Re: Cyanotype help!

Chris Read (Chris@gruffin.demon.co.uk)
Sun, 09 Jul 95 19:05:52 GMT

In message <199507091510.IAA14091@netcom8.netcom.com> alt-photo-process@vast.unsw.edu.au writes:
> Please, if anyone can help me, please answer! This project is due in a
> few days!!!
>
> I am cyanotypeing. Everything works fine up to a point. It drys the
> right color, it exposes right. Then, I wash it (just with cold bathwater),
> and out comes the beautiful blue... but only for a second! Then, IT ALL
> WASHES OFF THE PAGE AND DOWN THE DRAIN!!! There is nothing left but a
> blank white sheet of
> Reves BFK left! What is going wrong?!?! Please, help me!!! You can just
> e-mail me if you prefer! THANK YOU!!!
>
> P4UL S3YMOU2
>
>
You are underexposing - you might want to do some step tests, but by your
description, I would up the exposure by a factor of 4, and start there. Are you
using sunlight as the exposure source?

BTW, I have found that unsized paper gives the best results with blueprint.

--Chris Read