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Make sure that you have an adequate amount of the stock RS developer in the solution you use to develop the film A given amount of stock solution will process a certain area (square inches) of film....

Thanks for reminding me about this important detail. I did this back in the late 1980's, so it has been a while. I did not use any device to get the paper to stay on the inside of the pipe. Once...

Years ago I built a processing tube out for 32x40 prints of PVC sewer pipe, made end caps out of rubber sheet and put a drain in one end. It sat on a platform that tilted and had casters on it for...

My CombiPlan came with plastic washers which go underneath the nuts which screw onto the orange rods. The clear plastic ends are held together by the rods. The plastic washers allow you to tighten...

If you are not carrying the camera in case or backpack for a long distance, I would second the recommendations here to get a used camera first. A monorail or graflex could be good choices. Again,...

I contacted Bencher and they e-mailed me a parts list and drawing of the gearhead. I was able to partially disassemble it and free up the side to side tilt. A little fresh grease and working the...

I just purchased a used Majestic 1905 gearhead. The worm gear driven tilt works. The side to side tilt is frozen. The original tightening knob was replaced with a bolt. I removed the bolt but the...

For boiling point, what you really need to know is what the barometric pressure is. Pressure affects the boiling point. Barometric pressure not only varies with altitude but also with the weather. ...

Tim,

I use the HP Combi rack and tank as a dip and dunk set up. It works well for me. A disadvantage to is is that all six sheets of film receive the same development. Unlike the tubes you...

I used Oriental Seagull graded papers back in the 1980s and loved it. I have recently started using their variable contrast cold tone fiber based paper.
I think I am finally getting the nice...

I agree with Jon that you might consider using a print drum. 20 years ago I processed 32x40 sheets of paper in one I made out of a piece of green plastic sewer pipe. I put a drain in end which I...

I think I will set up the lens shade so it sits about a half inch away from the lens board on top and use a spacer at the bottom to keep it about a half inch away from the lens board. That way I can...

I just purchased a compendium lens shade for my Horseman L45 camera. I am having difficulty figuring out how you could connect a cable release to the shutter with the lens shade lowered since the...

You can also try a product by the name of Goo Gone to remove tape residue. It is citrus based and does work. Just make sure to try it on the plastic first to make sure that it won't affect it. Goo...

Folks,

Do any of you who have used a GraLab 900 timer know how to operate it in focus mode? The instructions I have don't seem to address this.

Thank you

Thank you for all the input. The tank does leak. I will give a couple of things a try. If I have any success, I will post the solution. I think Bob is probably correct that it cannot be repaired,...

I purchased a used HP Combi Plan tank a few months ago and recently noticed that it has a rather large vertical crack in middle of one of the long sides.

Has anyone successfully repaired one of...

I can send you the photographed pages from the Photronix manual. It does give a procedure for how to use the densitometer. To calibrate it, I believe that you would need a calibrated step wedge so...

Danny,

Thank you so much. I am new to using the forum. My e-mail is bsmodeler@comcast.net

Bruce

Yesterday I purchased a used Photronix Delta III densitometer. It did not come with instructions. Does anyone have any suggestions as to where I could find a copy of the instructions for this...