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Search: Posts Made By: Mike O'Pray
Forum: Alternate printing processes 10th November 2020, 07:25 PM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
They look pretty good Roy. Thanks for these and...

They look pretty good Roy. Thanks for these and the post

Mike
Forum: Alternate printing processes 21st October 2020, 04:15 PM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
Alex I imagine that what may be possible is an...

Alex I imagine that what may be possible is an enlargement of a 35mm or 120 neg onto the likes of X ray or litho film creating a positive then a contact print of that 8x10 film positive onto another...
Forum: Alternate printing processes 21st October 2020, 10:26 AM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
I had the same problem, Terry, when I tried to...

I had the same problem, Terry, when I tried to find the link between what you can find out about water in your area and its PH. I got so frustrated just going round in circles.

Maybe there is...
Forum: Alternate printing processes 19th October 2020, 11:59 AM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
It will be interesting to see what the effects...

It will be interesting to see what the effects are in an area where the water is at worst neutral and possibly slightly acidic

It wasn't entirely clear to me if what was said was that acidic to...
Forum: Alternate printing processes 7th October 2020, 03:59 PM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
Sorry I made a mistake with my symbols It should...

Sorry I made a mistake with my symbols It should have been that Mike Ware warns against using water with a PH of greater than 7 so I should have used PH > 7 and not PH < 7. It is water that is...
Forum: Alternate printing processes 6th October 2020, 03:38 PM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
A bit more in terms of PH reduction. If high PH...

A bit more in terms of PH reduction. If high PH in you tap water is a problem then it would seem the simplest solution is rainwater that is collected in barrels but if this is not practical then...
Forum: Alternate printing processes 6th October 2020, 02:51 PM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
I have searched a bit deeper on citric acid and...

I have searched a bit deeper on citric acid and its use in cyanotype. I googled citric acid in cyanotype printing and it comes up with a whole host of sources. One of the main ones is Mike Ware and...
Forum: Alternate printing processes 6th October 2020, 11:54 AM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
Yes, I was looking for an explanation on the...

Yes, I was looking for an explanation on the exact purpose of the citric acid and did a search of the site but couldn't really find anything.

Is it to add to the washing process or to the...
Forum: Alternate printing processes 6th October 2020, 11:10 AM
Replies: 54
Views: 2,437
Posted By Mike O'Pray
Yes, it would look as if cyanotype is a late...

Yes, it would look as if cyanotype is a late spring to early autumn affair if relying on the sun but there is always a UV lamp at a cost

I had a good look at the site and it was interesting and it...
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