In gathering my collection of slide rules I have not paid much attention to the finer details of scales or construction. As the collection grew bigger I have...
34132
Zvi Doron
zvidoron@...
Jan 1, 2008 9:01 am
Hello Marion, The real problem with trig scales on the body is not when you solve a right triangle or vectors, but when you have a calculation that involves...
34133
dfsmth45
Jan 1, 2008 12:54 pm
Hello Zvi, Excellent point - while the two configurations are equivalent for right angle calculations, they are not for the type of calculation you have...
34134
d farrow
d_farrow
Jan 2, 2008 1:42 am
Hello again Zvi and all others who have contributed to this thread recently. I mentioned in my first message to Zvi how much pleasure I get from my membership...
34135
patentdorf
Jan 2, 2008 1:44 am
HEADS UP! There's a K&E Thacher #4013 coming up on ebay (item #300186530358) in about 6 days that should be watched. It's not mint, and it's missing the...
34136
Robert Adams
radamspse
Jan 2, 2008 6:28 am
Hi does anyone know whether Steve Cohen is still on the list? I need to contact him. regards Bob Adams...
34137
gsflom1
Jan 2, 2008 7:00 am
CALL FOR LISTINGS, THE OUGHTRED SOCIETY SWAP SHEET We would like to invite you to place an ad in the swap sheet. NOTE : The swap sheet is much too small now,...
34138
Nick
cansandbrahms
Jan 2, 2008 8:55 pm
I'm still working on this collection. With your help I've found the B-18 and P4M. Thank you!!! Any further leads on Load Adjusters for sale is greatly...
34139
Zvi Doron
zvidoron@...
Jan 3, 2008 8:59 pm
Not SR - therefore could anyone with knowledge / collecting experience of vintage CASIO calculators make contact with me off the list I would be very grateful....
34140
marion moon
sliderulenut
Jan 3, 2008 10:29 pm
... Hi, David, Steve, and Zvi: I guess there is not efficient way to solve such problems on either type of slide rule. Zvi, your spherical trig navigation...
34141
billiken54
Jan 4, 2008 3:24 am
WELL, if they were using Versalogs instead of K&Es, it'd be closer to 1:1. (just trying to stir the pot.) Bill S....
34142
billiken54
Jan 4, 2008 3:31 am
Hey, Zvi -- Family first. (Locks down "humor" shift key.) Yeah, life sucks, then you die. Says so in the Bible, somewhere in that set of books sometimes...
34143
Les Burel
squared47
Jan 4, 2008 5:10 am
I picked up two 720's back in '06 and I think the price was reasonable and I remember the Indian offerings. They have dried up but it seems that, in general,...
34144
Les Burel
squared47
Jan 4, 2008 7:09 am
The flight to Hartford was uneventful as far as the SR was concerned and time passed quickly. Near the end of the flight a stewardess notice it and said, " I...
34145
Zvi Doron
zvidoron@...
Jan 6, 2008 12:04 am
on ebay - "Bamboo Pickett B1 Slide Rule Walnut Case New Unused" Item number: 130187423530 [Non-text portions of this message have been removed]...
34146
dfsmth45
Jan 6, 2008 12:56 am
Hi Zvi, The B1 was made for Pickett by Relay/Ricoh (San-Ai Group) to compete with the Versalog. See Don Davis' site: ...
34147
dfsmth45
Jan 6, 2008 2:53 am
Oops - that should be David Davis, not Don Davis - sorry about that. Steve Treadwell...
34148
Winchell Chung
nyrathwiz
Jan 6, 2008 6:00 am
My apologies if this has been mentioned before. http://www.hnsa.org/doc/op1140/index.htm The PDF files describe various components of mechanical computers used...
34149
gsflom1
Jan 6, 2008 11:43 pm
The Oughtred Society Swap Sheet The swap sheet has been updated for January 2008, and is now available for viewing. Go to : www.oughtred.org and on the left...
34150
this_tim
Jan 7, 2008 7:41 pm
Someone mentioned to me that when they printed my "kid's rule" slide rule pdf's the slide rule was 15". The slide rule is only around 10". They were printing...
34151
M. H. Frey
nhmhfrey
Jan 8, 2008 7:55 am
Hi, I do not know if you will see this in time, but there is on on eBay now, item #230208681554, ends in 7 hours. Cheers Mike...
34152
Les Burel
squared47
Jan 9, 2008 12:09 am
Looks like a good deal. The seller has sold a few SRs. "M. H. Frey" <mhfrey@...> wrote: Hi, I do not know if you will see this in time, but...
34154
clarkmccoy2
Jan 10, 2008 5:12 am
You might want to check out this old very nice Thacher on eBay. Ebay #130188679754 Clark McCoy...
34155
M. H. Frey
nhmhfrey
Jan 10, 2008 1:48 pm
For those with budgets smaller than purchasing a Thacher there are 4 interesting slide rules on ebay: 1: Ultra Rare early 1900's Otis Kings Pocket Calculator,...
34156
marion moon
sliderulenut
Jan 10, 2008 8:44 pm
Small slide rules are not common and can be quite expensive. The last time I saw one it sold for about $700. fm ... 160197079269 ... 120208094404...
34157
marion moon
sliderulenut
Jan 11, 2008 2:26 am
See this item #280188499598. This watch had an outer CI scale on the bezel and an inner D scale. Is this unusual or am I misreading something. Or, do other...
34158
John Simmons
oxcart3799
Jan 11, 2008 3:24 am
Hello ISRG Members, I have an eBay related question. I've noticed that a significant proportion of sellers don't / refuse to ship beyond the borders of the...
34159
ROBERT ROBERT
countinghous...
Jan 11, 2008 4:16 am
Hello John: When you mail a package in the US that is to go outside of the country, you have to fill out a customs form. This is mainly used by the receiving...
34160
Dick Rose
dickrose2
Jan 11, 2008 4:37 am
Hi John, Shipping outside the U.S. usually requires at least a little extra paperwork and sometimes some special handling that might require an extra trip to...
34161
Les Burel
squared47
Jan 11, 2008 5:17 am
For a few years I sold film cameras on ebay along with buying SRs. I have a few hundred seller/buyers transactions under my belt and have either purchased or...
