Brush on light sensative solution?

[stradibarrius]

I have been shooting 4x5 for a few years. I have always used traditional paper when I enlarge my negatives. I have seen an "alternative process" that looks like you brush on a light sensitive solution on paper and the expose it to the light. It reveals the image but you have what appears to the brushed edges that are black. I have never tried this process or really read anything about it but I like it and would like to try it.
First what is it called and is there a thread already here that I can read through?

[Erik Larsen]

Liquid light, b&h or freestyle had it I believe

[Tim Meisburger]

There are a lot of different processes that require you to coat your own paper, and any of those can be applied with a brush. If you just want to give it a try, I think the easiest alternative process (except pre-mixed like liquid light) is cyanotype. I did it easily from instructions on the internet, and using watercolour paper I bought at the local office supply store. Some people don't like the blue colour and tone it with tea or coffee, but I think it is super sweet with night shots!

[Doug Howk]

Since you are working with 4X5 negs, presume you want to enlarge. Liquid Light is excellent for that purpose. Other processes are restricted in size to that of the negative.

[Paul Ewins]

There is also Maco Black Magic. I haven't used it so can't comment on ease of use etc.

[dwross]

http://www.amazon.com/Silver-Gelatin-Liquid-Photographic-Emulsions/dp/1902538153

This is an excellent resource. The link is just for information. You can get the book for a LOT cheaper.

Also, Christopher James' book, The Book of Alternative Photographic Processes, is excellent and covers just about every printing process you've ever heard of.

[stradibarrius]

That book does look like a great resource...but it is not cheap!

[Doug Howk]

"Silver Gelatin" is a 20 yr old book whose information has held up very well - a classic. Reminds me that I need to re-read it.

[esearing]

Here is an online resource with several DIY/ALT recipes http://www.thelightfarm.com