I'm playing with a pinhole camera recently (1). It's the first time I'm actually developing photos myself. On my developer bottle it says I should use 1 unit of it and mix it with 9 units of water. ...
I have an old glass positive photo from about 1850. Does anyone know what process was used? Heliotipy? Puharotipy? I'm think that the author of the image is Puhar I have an appointment with the ...