Fullers Computing Telegraph Calculator
w/ Palmers Computing Scales It is no wonder that America was
the leading power during the industrial revolution. They had people designing,
patenting, and introducing calculation devices like this one. This unusual
calculation device
was light years
ahead of the competition and probably led to the introduction of many other new
products and ideas. The Palmer scale says it was first patented in the
1840's, and I guess after Mr. Fuller improved on it he included it with his own
version of a circular slide rule. Luckily he had the foresight to include
with it a booklet of operating instructions The opening blurb in the instructions claims
this is "The Great Master
Key Rule by Which All Problems are Instantly Solved. I am not really
sure if it could have solved Bernie Madolf's problems, bit it seems Geitner
might need one now. The entire package is in very nice condition, and they are rarely seen in this nice condition any more.
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PF-FPC-1
Excellent . . . . . $795.00 SOLD!
K
& E 68-1749 (4096) 20" Desk Top Slide Rule w/ Hard Case
The 68-1749
desk top slide rule was offered for use in offices or most any desktop, and was equipped with
feet to hold it on an angle in front of the user. Prior to 1962 it
was numbered (4096). K & E also offered this rule without the hard
case and cast iron feet. This variant in the hard case is found much less often
than the typical model and they were made for only a few years after the
model change to 68-1749 and when K & E finally got out of the slide rule
making business after the introduction of electronic hand- held's. This particular rule is factory engraved with the name Elton W. Reither. Elton was the area manager for K & E in Puerto Rico and the Caribbean during this time period and this was a presentation slide rule given to him either upon promotion or retirement. This rule was consigned here by his family and has been with them since that time.
The condition is like new. There is no damage to the rule or box. Note the condition of the finish on the mahogany in the views from the back. The paper conversion chart there is flawless as well. The pads on the cast iron feet show no wear either. A super piece of calculation history in super condition.
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KE-68-1749
Good+ . . . . . $345.00
K
& E / Keuffel & Esser Thatcher #4012 Slide Rule / Calculator This is
a nice but well used Thatcher's calculator.
The famous Thacher calculator with its near unique sliding drum design has scales
totaling over 30' long. The inventors name is really Thacher, but it
was mis-spelled on almost all versions. hence the use of two different
spellings. Thatcher slide rules were first patented in England in 1881 and were an immediate success with the scientific and engineering communities. K & E bought the rights to produce them, and initially Stanley of England produced them in England before K & E moved production to the states near the turn of the century. .
The serial # on this instrument is XXXX . The overall condition of the rule itself is good with no chips or damage to the scales to speak of. There are just a few very small brown spots, most no larger than pin heads on the outer scales. The scales are a light mellow tan / yellow that is normal. The inner scales on the drum are very nice as well with no damage or lifting. The instructions on the base are worn but present. The mahogany box is nice and has its original finish. There are no names carved into the box or base of the calculator itself..
A nice example of this rare and interesting calculating slide rule.
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PF-4012-1
Good+ . . . . . $995.00
French
Circular Calculator / Slide Rule
This unusual
French sliderule dates from just after the turn of the century. I could turn
up little information on it with Google searches. I assume the name is Le
Calculateur as seen in the right corner. The tag in the bottom right gives
a company name that again did not show up in a Google search. That is where
the serial # is. It has a very low serial # of 546. The calculator
is mounted to a wooden frame, and the background is a plastic material that is oftentimes
called ivorine. It was a material that did not have good movement characteristics,
and in situations like this oftentimes cracked or chipped where attached.
The face of the slide rule is nice and was protected by a clear plastic window that
is wavy, but OK. The arm which you read the calculations from is articulated
such that it can follow the spiral lines on the face thus enhancing or magnifying
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PFC-F1
Good+ . . . . . $1250.00
Poor's Line
of Position Navigation Computer This is a
rare and interesting navigation related calculator. There are a couple of
references on Google about it lamenting the fact that so few are known, and that
only pictures of it can be found in a book by the inventor Charles Poor.
The face is marked Pat applied for, and it is not known if one was ever grantedThis calculator is in like new condition with it original box. The box has seen better days and the corners are torn and weak. The instrument measures approx 12" dia. and the base is cast aluminum. The instructions are present and in very nice condition. It says it is a mechanical navigator for use on ships or aircraft. At the bottom in addition to the inventor designers name, the name T.S. & J. D. Negus is given as the seller. This was a well known outfit that dealt in all manner of navigational and nautical related devices.
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PFC-F1
Good+ . . . . . $1295.00 SOLD!
Fowler
Long Scale Slide Rule / Calculator
Fowler is a well known English name in circular
sliderules / calculators. They made a variety of different models and size
calculators including many circular versions like this one. Some were designed
for architects, or engineers, and others were made for the textile trades.
Larger ones are referred to as Magnums, and this 2 3/4" model is referred to as
the pocket size. This Long Scale Fowler calculator is in super
like new condition with its outer hard shell marked case. The original instructions
are included as well. There is a plaque inside the case that gives the location
as Manchester England. There is a serial number under the glass on one side, but
there is no specific model designation other than the long scale that I can see.
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BS-FL-SCALE
Excellent . . . . . $495.00
Stanley
Fuller Spiral Calculator / Sliderule This is
a super nice condition example. The numbers on the brass scale are 5968 -28.
I am not sure where that would put this date wise, but it is an later model with
the brass mount feature that the slide rule can mount to for use. There is
a hairline crack as can be seen in one of the pics in the wood frame, but it is
just a line in the wood. There is no damage, movement, or looseness.
The instructions are included as well. The John Davies label inside the lid
must be from the distributer, who specialized in Mining supplies as well as surveying
instruments and more. That label mentions 1933, but it is unclear in what
regard. A nice piece in outstanding condition.
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BS-FULLER
Excellent . . . . . $975.00 SOLD!
Loga
Drum
Calculator / Sliderule This large cylindrical
slide rule / calculator is a Swiss idea that was produced just after the turn of
the century up until about 1920. They came in a few different
configurations and with different bases or covers. Note in the other pics
how it is able to swing up to be like a Fuller. This one has a set of
instructions on the base and a second revolving reference / information area
as seen in the bottom pic.
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PF-LOGA-1
Good+ . . . . . $1275.00
Loga
Drum
Calculator / Sliderule This large cylindrical
slide rule / calculator is a Swiss idea that was produced just after the turn of
the century up until about 1920. They came in a few different
configurations and with different bases or covers. This ones instructions
are missing, but the rule is otherwise pretty nice. The cover has a couple
dents in it, but is OK. It measures approx 18" long and I believe is
the largest model offered. 
PF-LOGA-2
Good+ . . . . . $795.00 Sold!!
K
& E 4095 Merchants Slide Rule This rule
dates from just after the turn of the century. It looks to have never been
used. The frameless cursor is undamaged. The case is fine. The
outer box has issues.
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LM-SR1
Good+ . . . . . $65.00
A.
Lietz Merchants / Bankers Slide Rule This rule
dates from before the WWII. It looks to have never been
used. The case is fine. The catalog / manual is nice, and this rule
and its scales are described inside. .
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PTLND-MSR-1
Good+ . . . . . $65.00
Richardson
c. 1909 Slide Rule The Richardson Slide
rule is a great looking and neat design slide rule. It has a metal body and
a celluloid like covering. There are a couple of windows to place letters
in for specific calculations, and the whole back is full of instructions for the
beginning user. Different, & unusual.
LM-SR3
Good+ . . . . . $45.00
Precise
Circular Adder / Calculator I can find no mention of this
adder / circular slide rule with a Google search. There are a series
of arms below the steel rod, but I do not see what they do. It says it hails from
St. Louis and looks to be from just after the turn of the century to me. This
unusual circular calculator is something new to me.
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BS-PA
Good . . . . . $295.00
Gestation
& Farming Circular Calculator This is an interesting circular
calculator. I am not sure of the story behind these, but you can find them
with various company names and promotions for different farming products.
They were a well made product, and most have held up well over the years.
This example is in very nice condition with one scratch that can be seen in the
pics. The condition can also be explained by the fact that a calculator for the gestation period for different animals for a working farmer is similar to the saying, "if you need to ask you probably do not need to know". I could find nothing under the planting info that warned about, or took into consideration, what the weather was that week, or had been, when computing out when to plant, and how long it would take. Different & Very Nice!!
BS-GC-1
Excellent . . . . . $75.00
Photography
Calculator Pencil Way back when you use to have to figure out
what was going on with your camera, and the light, to take a decent Click for Pic. This
unusual calculator / slide rule pencil was designed to help with that. 
BS-Pen
Good+ . . . . . $75.00
Calculator
Pen These mechanical pencils are
a pretty neat calculator / slide rule designed to do multiplication and division.
The instructions are here, but pretty tattered.
BS-Pen-2
Good+ . . . . . $150.00
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