Archived posting to the Leica Users Group, 1998/09/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The "manual" jobo rotaries (cpe still?) do very consistent automatic agitation, and very good temp control. The automatics (an ATL for example) are a light year ahead, both in machine consistent timing and pouring of stuff, and in convience. BTW - jobo plastic reels are like any other plastic real, pretty easy to load after practice unless they are wet, in which case it's impossible. I have a whole bunch. bmw - -----Original Message----- From: Douglas McLernon <Douglas.McLernon@tcd.ie> To: LEICA <leica-users@mejac.palo-alto.ca.us> Date: Monday, September 07, 1998 2:06 AM Subject: [Leica] SS reels and tanks - question on JOBO processor >I use ss reels and either ss or plastic tanks. Marc is right the English >reels are worth the difference. SS reels are like riding a bicycle, once >learned never forgotten Use old film and practice in the light, the with >your eyes closed and THEN in the dark. > >I still have a Kodak apron wrap tank (apparently still made) that I use to >introduce new photo enthusiasts to developing film. > >Someone said that SS tanks transferred heat quicker than plastic. I think >not. SS is a very poor conductor of heat but very good at resisting >corrosion. That's why ss saucepans have copper or aluminum bottoms and the >very good ones have a inner core of copper or carbon steel, and the best >silver. (we're talking Leica type priced saucepans here - cooking is >almost as expensive a hobby) > >Second part concerns the manual Jobo processors for B&W, c-41 and E6. Since >the chemicals are changed by hand is there any real advantage over tanks in >a temp. controlled water bath? >Doug >