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HP42S - HP15 C - Marx Pio(Brasil) - 12-09-2000 Need to know if there's a replacement front plate of an HP 42S 'cause mine was corroded by humidity and fingers sweat. Does anyone have an HP 15 Manuals for trading?. I Have manuals of an HP48GX and an HP28S if you need it we can trade or change one to another.
Thanks
Re: HP42S - HP15 C - db (martinez, ca.) - 12-09-2000 i can imagin. i used my 41 in the upper amazon basin (the rio napo) for a couple of months, but it handled the humidity better than i did. most things rust, rot, or turn green. fence posts sprout leaves and grow.... mabye you could use scotchbrite and sort of "brush" in a new finish to mostly hide the blemishes. or learn to wear them with...pride!
Re: HP42S - HP15 C - Juan J - 12-18-2000 db: Ever been to the rio Napo? I've used a 41CX and a 48GX in a couple wildcat oil wells close to it. A Comp-U-Bag helped a lot to keep both machines in good shape. Later I got a poly(ethylene-vinyl acetate) bag that was better. I used both calculators to replace my tally book, taking notes, recording pumping pressures/rates and doing some on-the-fly number crunching. Needless to say, my hands were anything but clean, sometimes even wet from measuring mud/cement density with a mud balance. I just pulled the calculator from my coverall pocket, used it and put it back in. And both machines survived and served well. Marx Pio:
I agree with db. Some Scotch Brite would do no harm.
Re: HP42S - HP15 C - db (martinez, ca.) - 12-18-2000 did some work near coca on the napo and some near lago agrio on a northern fork called the aguarico. both a drag (mal experiencia). then a "linderacion" near tena on the misahualli, another branch of the napo. saw it near mazan in peru; what a difference! // i just use fold lock baggies and tape them shut. they arent anti-static like yours, but i havent had a problem so far and they are always available and cheap, kind of like warm beer in the jungle.
Re: HP42S - HP15 C - Marx Pio - 12-20-2000 I work in Manaus, beside Rio Negro, I'm a structural engineer and things here are like said db, we almost see growing branches in steel structures.The combination humidity and temperature make my notebook looks like it went to a bath.I lost a notebook and two HP's. Re: HP42S - HP15 C - Juan J - 12-23-2000 Marx Pio: From my field experience with electronic field recorders and junction boxes in the jungle, silica bags wear out quite fast. I usually put the calculator in the bag when I´m home (which is thankfully cold and dry) and seal it, keeping it so until I get back. It works. Could work also sealing the bag in an air conditioned room (cold and dry too) before field use. Regarding notebooks, mine never leaves my air-conditioned-to-65°F camper. Otherwise it gets so wet that water drips from the screen and keyboard; the touchpads just doesn't work.
Once in a well I got a radio station that broadcasted a daily weather report, which included relative humidity; day to day it was always 97%. After a week of listening the same number, I just turned the radio off and never turned it on again. I actually saw that well's drilling rig doghouse growing some kind of weed once.
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