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Brad Barton · (This post was last modified: 07-25-2017 03:59 AM by Brad Barton.)

- Some items have sold, but the remainder are just sitting here. Here's a price cut to see if it helps anyone out. Hope this stuff goes to someone who can use it. If you see something(s) you'd like, feel free to make an offer - BB

A good friend and fellow calculator nut has asked that I help him sell several of his HP items. He likes the idea of sharing this equipment with fellow addicts, even though he might do a little better on TAS.

I think you'll find that these prices are fair, but please feel free to speak up if we've misjudged something. The descriptions (and pricing) are my own after examining each item in detail. Please read them carefully.

I'm only interested in selling these in the continental US, and buyer pays shipping. Paypal is the best way to pay, but I may be willing to work out other arrangements.

HP-41C - $60 NOW $40 SOLD
Ser#2337S42173 Does not turn on. All internal posts split, but not broken. Zippered case included (conditon good), but foam insert missing, and one small mark (<1/4" dia) on outside of zippered case. Calculator feet need new double sided tape. No sign of internal corrosion, and outside condition excellent. All original port covers installed, but side charger cover missing. Feet included.

One battery terminal repaired due to worn contact, and voltage restored to flex-PCB, but calculator still does not turn on.

https://www.dropbox.com/s/j14ci51yd7mtil...1.jpg?dl=0
https://www.dropbox.com/s/cz16bfnup8ac76...2.jpg?dl=0
https://www.dropbox.com/s/3le9x3e70nyzjq...3.jpg?dl=0
https://www.dropbox.com/s/co8wvkaxb0i442...4.jpg?dl=0
https://www.dropbox.com/s/xcmaxqgmdw99yt...5.jpg?dl=0
https://www.dropbox.com/s/jvp9ak01abbpf5...6.jpg?dl=0
https://www.dropbox.com/s/b2ahiv4vf0001f...7.jpg?dl=0
https://www.dropbox.com/s/g8n9h9uyy1xnvm...8.jpg?dl=0

HP-28S - $50 NOW $30

Ser#3107S01311 Calculator passes all self tests. Casing is in average condition with a crack at the lower right corner of the display, and missing plastic around the battery cover, though cover does stay on without assistance. Top two feet on back are missing.

Owners manual and reference manual included, both Edition 1. Spiral bound with covers showing very little wear, and not dog-eared.

https://www.dropbox.com/s/x0jku60qk7h04f...1.jpg?dl=0
https://www.dropbox.com/s/6jz3avxzd1ggtw...2.jpg?dl=0
https://www.dropbox.com/s/e6zpk16lkbg7v6...3.jpg?dl=0
https://www.dropbox.com/s/vn8kntc4x9qxpl...4.jpg?dl=0

HP-41 Math/Stat Pac - $50 NOW $30

Model 5061-7287 This is the complete set in excellent condition. Comes in original box with some light scratches, but no fading. Both Stat Pac and Math Pac Manuals are included (conditon mint). Accessories package included with 2 keyboard overlays for the Math Pac (not sure if there was a Stat Pac overlay), Quick Reference cards for both the Math and Stat Pac, accessory cards, etc. The Pac has been tested and shown to work and is contained in the original anti-static packet.

https://www.dropbox.com/s/i0baoran6pkb78...1.jpg?dl=0
https://www.dropbox.com/s/0gtw0cx47v5gif...2.jpg?dl=0

HP-IL Module - $150 NOW $100 SOLD

Model HP82160A Module has not been tested. Includes owner's manual (excellent+ condition) and 3 extra HP-IL cables.

73 page owners manual would be in mint condition, except for a few notes written inside.

https://www.dropbox.com/s/5yyg0w55b6hx20...1.jpg?dl=0

HP 9114B 3-1/2" Floppy Disc Drive - $100 SOLD

Ser# 2541A02950 Single floppy drive for use with HP-IL module. Includes 2 HP-IL cables, model 82059D 120V/8V power supply, and Operator's manual for an HP9114A Disc Drive (note that this is the 9114B drive, so the manual may not apply exactly).

Unit lights up when plugged in, showing 3 lights on the battery condition meter, but otherwise untested. A few dozen 3-1/2 " floppy disks (may be some programs there) are included.

https://www.dropbox.com/s/tc9ybw5abethi3...1.jpg?dl=0
https://www.dropbox.com/s/1ioacrz608aybm...2.jpg?dl=0
https://www.dropbox.com/s/orakfz1x54qdeh...3.jpg?dl=0

HP 3421A Data Acquisition/Control Unit w/HP-41 ROM Pac and overlays - $125 SOLD

Ser# 2338A01890 Data Acq/Control unit comes with 2 HP-IL cables, power cable, model 10833B HP-IB cable, and rack mount brackets. Also includes 2 full coverage keyboard overlays for HP-41 (data logger overlay and front panel overlay), #3421 Control Module Pac (82500B-A24 Rev B) and spiral-bound manual (mint)

Unit powers up when plugged in and turned on, otherwise untested. still has a few thermocouple wires attached.

https://www.dropbox.com/s/o6vvwmid6ynye2...1.jpg?dl=0
https://www.dropbox.com/s/5rl0h9vahc00mf...2.jpg?dl=0
https://www.dropbox.com/s/j2hmnru3vz4bhv...3.jpg?dl=0
https://www.dropbox.com/s/zk9z93vuuos0oz...4.jpg?dl=0
https://www.dropbox.com/s/pu1w2qdsyef70v...5.jpg?dl=0
https://www.dropbox.com/s/ibsjs83pezmxgf...6.jpg?dl=0
https://www.dropbox.com/s/wwf4lvkorzr1qy...7.jpg?dl=0

HP-12C - $5 NOW $0 BUYER PAYS SHIPPING SOLD

Ser# HY00601207 Calculator does not turn on. It takes 3xLR44 batteries, so it must have been made prior to 2001 according to research presented by forum member jebem. This one was made in Malaysia. Bezel in good condition with a few hazy areas with light scratches. Housing and feet in good condition. 12C badge in excellent condition. Case is one of the newer stiff models, with hp logo on both sides.

https://www.dropbox.com/s/k1w5hp33u50jxo...1.jpg?dl=0
https://www.dropbox.com/s/5f1ios3qtkpjv7...2.jpg?dl=0

Manuals

HP-41 - $10 NOW $5 SOLD
Owner's handbook and Programming Guide for HP 41C/41CV, spiral bound (condition good-). 275 pages. Front and rear covers with some tearing near spiral binding, otherwise excellent
https://www.dropbox.com/s/e4g2jjy7ynz8rc...1.jpg?dl=0
https://www.dropbox.com/s/yuu3a20ct3zjmc...2.jpg?dl=0

HP-41 - $15 NOW $5 SOLD
HP-41C/41CV Operating Manual for the Experienced user (condition excellent-). 69 pages. Some sign of writing indentations on cover.
https://www.dropbox.com/s/y4gntftq03w51h...1.jpg?dl=0
https://www.dropbox.com/s/zliqo6qe3d62a5...2.jpg?dl=0

HP-41 - $10 NOW $5 SOLD
HP-41C/41CV Standard Applications Handbook (condition good+). 59 pages. 2" x 2" owner's sticker on the front cover lower right, otherwise excellent.
https://www.dropbox.com/s/2295a6dpltr842...1.jpg?dl=0
https://www.dropbox.com/s/2i04zw0le223qx...2.jpg?dl=0

HP-41 - $10 NOW $5
HP-41C/41CV Owners Handbook and Programming Guide, bound (condition good). 279 pages. Owner's initials on front cover, some writing inside.
https://www.dropbox.com/s/be1ymr5uteaweo...1.jpg?dl=0
https://www.dropbox.com/s/n8211p4186a8ep...2.jpg?dl=0

HP-41 - $5
Owner's handbook and Programming Guide for HP 41C/41CV, spiral bound (condition poor+). 275 pages. Front cover and first couple of pages torn in lower left corner. Back cover torn at spiral binding. Edge of back pages stained. All pages present, all text undamaged.
https://www.dropbox.com/s/9r32jbdgpdowgg...1.jpg?dl=0
https://www.dropbox.com/s/a6w3mmue33tc9v...2.jpg?dl=0

HP-41 - $5
HP-41C/41CV Operating Manual for the Experienced user (condition good-). 69 pages. Front cover has had 2" X 2" sticker removed, which removed the top layer of the cover in the lower right corner. Otherwise excellent condition.
https://www.dropbox.com/s/ut9ion603bco9p...1.jpg?dl=0
https://www.dropbox.com/s/75ulqg3ej1xphg...2.jpg?dl=0

HP-83/85 Regression Analysis Pac manual - $10 NOW $5
MANUAL ONLY (condition excellent+). 43 pages. No external marks or scratches. No writing inside.
https://www.dropbox.com/s/d09gqa97uo2s5j...1.jpg?dl=0
https://www.dropbox.com/s/wv8r20a7bmirzq...2.jpg?dl=0

Odds & Ends

HP-41 Custom Overlay set - $5 NOW $0 BUYER PAYS SHIPPING SOLD
3 gray keyboard overlays plus sticker sheet of functions. Over 50% of stickers still present.
https://www.dropbox.com/s/ht3d1ohwp4l198...s.jpg?dl=0

HP-41C/41CV Quick Reference Card - $5NOW $0 BUYER PAYS SHIPPING SOLD
Condition excellent-. Very small dog ear in upper left corner.
https://www.dropbox.com/s/e0ux71h4dxjs4b...1.jpg?dl=0
https://www.dropbox.com/s/okti1pmtgtqsju...2.jpg?dl=0

HP Power Supply - $10 NOW $5
Model 82040A. Larger wall power supply with 120V input and 8V AC output with 2 pin sockets on output. The output plug is damaged and has been wrapped in electrical tape. Puts out 12.26 V unloaded according to my Fluke meter.
https://www.dropbox.com/s/0etgqta0p89zz9...1.jpg?dl=0
https://www.dropbox.com/s/id9zem4cpwgh2r...2.jpg?dl=0

Classic Calculator Battery Packs (2) - $5 for both NOW $0 BUYER PAYS SHIPPING SOLD
Model 82001B Nicad cells are too old to be any good, but plastic casing is in good shape, and metal electrodes will be usable with slight cleaning. Original packaging included.
https://www.dropbox.com/s/g04tskuo1k1m8x...1.jpg?dl=0
https://www.dropbox.com/s/rr572t3kmtka36...2.jpg?dl=0

HP-41 rechargeable battery pack - $10 SOLD
Ser# 2351S00622 N-cells are likely shot, but they could be replaced. Slight corrosion on terminals. Untested.
https://www.dropbox.com/s/jvmaj2oi7g38nf...1.jpg?dl=0
https://www.dropbox.com/s/jj0n1ipeyfesyl...2.jpg?dl=0
https://www.dropbox.com/s/s1onaiflkw6h4f...3.jpg?dl=0

DB9 to Centronics converter - Buyer pays shipping
Model HP-PP Slightly over 24" long.
https://www.dropbox.com/s/x0rnou1hpy9kee...1.jpg?dl=0

Magnetic Cards - Buyer pays shipping SOLD
7 magnetic cards plus one "Polynomial Evaluation" card. I don't know which calculator this is for.
https://www.dropbox.com/s/jvarlf3ner41wj...s.jpg?dl=0