Welcome to Mørkekammeret. "Mørkekammeret" is danish for  "dark room",  as used when developing photographic film pictures. I will - with no prior knowledge - build an old fashioned mørkekammer, specifically for developing black and white film and making enlargements from my 35mm film camera, And hopefully also larger formats soon. I know quite a lot about digital photography, cameras and lenses - but even though I am in 52 years old, I got on the photography bandwagon just short of getting the basic dark room knowledge that many other photographers on my age at least got a taste of.  This gives me the opportunity to share my learning process with other in the same situation.  I have read many times that all you need to get started is a corner of a bathroom. Well - I am not going there, at least not for this purpose :D   What I have got is around 6 square meters of real estate that I can claim for this project... It start with the basic room. I need heat. I...