Meeker's
Mechanical
Nature Antiques
 Larry and Carole
Meeker

Purveyors of Americana
Patented & Mechanical Antiques 		www.Patented-Antiques.com

patentedantiques@gmail.com
Orders / Inquiries / Questions

530-748-7297
(ORDERS ONLY)


Scientific / Technology & Office Related Antiques

Electrical / Typewriters / Telegraph / Appliances
Light Bulbs / Pencil Sharpeners / Calculation & More



Patented-Antiques.com - c. 1900 Antique Millionaire Calculator Calculation MachineMillionaire Calculator - Calculating Machine  The idea for the Millionaire Calculator design was first patented in 1892 by Otto Steiger of Munich Germany. Steiger's design was later improved upon by Hans W. Egli of Zurich Switzerland. The tag on the left side of this example has the Egli name. This example is also marked with two US patent dates from 1895. Production of the Millionaire Calculator began in 1893 and ended in 1935. A total of about five thousand were manufactured. From the serial # 1633 we can assume this example dates from just after the turn of the century. There is an online registry for these calculating machines found at John Wolff's Web Museum / Register of Millionaire Calculators. He has a number of examples listed, (over 200) and many examples are pictured there.

The Millionaire calculator was the first commercially successful mechanical calculator that could perform direct multiplication. Other calculating machines of the period were adding machines that accomplished multiplication by preforming addition calcs over and over. A much slower process. This aspect of the design is explained in great detail at the www.history-computer.com site. The tag on the left indicates this example was sold here in the US. The tag reads W. A. Morschhauser Sole Agent Madison Ave New York City. I read these machines retailed for between $475.00 and $1100.00 at the time of manufacture. A huge sum for the time.

Note the exceptional condition. This Antique Millionaire Calculator shows very little signs of use and mainly just storage scuffs. This is the less common metal case model. The Millionaire Calculator also came in wooden cases. Overall It is in very nice condition with typical scratches. On the interior, the areas under the swinging arms still have nearly all of the original black finish. Many examples you can view online show considerable wear in these areas. It is a large and heavy machine. The measurements are approx. 7 1/4" x 25 5/8" x 11 1/4". It weighs close to 70 lbs. and is the 8 column model.  They could be had in larger sizes with up to 12 columns. A rare opportunity to own a piece of calculation history. Recommended.

 

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SB-MILL

Fine . . . . . $2450.00

To Order Email:  patentedantiques@gmail.com





K & E / Keuffel & Esser 4012 Thacher Slide Rule / CalculatorK & E / Keuffel & Esser 4012 Thacher Slide Rule / Calculator (Last Model) This #4012 Thatcher calculator / slide rule is in super nice condition.  The serial # is 6285 and this # can be found on the original OAK mounting board near the top back edge.  Near the end of production K & E stopped using the typical mahogany mounting board and outer box and began using oak for the last few hundred before ending production.  This 4012 oak box & base variant is much harder to find than the earlier mahogany versions.  In addition to the K & E serial number there is also a brass plaque on the base board indicating it was property of the US Navy at one time. 

The inner scales on the drum are white and very nice.  The scales on the outer frame are near perfect as well.  They have hardly yellowed at all and there is no lifting of the paper scales or spotting to be seen.  The instructions on the base are very nice as can be seen in the pics, . The oak box is nice noting a few scratches and some loses to the finish. There are no names, initials, or other carved into the box, base, or calculator.

The Thacher calculator has a near unique sliding drum design whose scales total over 30' long if laid out in a line. Edwin Thacher first patented the idea for this slide rule / calculator in 1881 in England. The idea was an immediate success with the scientific and engineering communities. K & E bought they rights to sell and manufacture the popular rule.  Stanley initially produced them in England for K & E. and production was moved to the states near the turn of the century.  The Thatcher calculator was first offered by K & E in their 1887 catalog as the 1740-N. In 1890 they dropped the N. In 1899 they changed the calculators catalog # to 4012 or 4013. The 4013 being the upgraded model w/ a built in magnifier. There were approx. 7000 total units made. The inventors name is Thacher, but it was misspelled Thatcher on almost all versions of the calculator that K & E offered, hence the use of two different spellings of Thatcher / Thacher in this ad and on the rule itself.

A nice piece that will display well and be a great addition to the old office or calculation related collection!!  Enjoy.

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SR-4012N

Fine . . . . . $1295.00

To Order Email:  patentedantiques@gmail.com





The Equationor or Universal Calculator - Patented & Copyrighted by Walter HartThe Equationor or Universal Calculator Patented & Copyrighted by Walter Hart The Equationor circular slide rule / calculator patented & copyrighted by Walter Hart is one of the rarest and most unusual slide rules ever produced.  There are no other examples, other than this one, to be found or viewed with internet searches.  There is one article by Conrad Schure about the Hart Equationor in a 1992 issue of  Oughtred Society's publication.  Also the Library of Congress has a copy of the 32 page instruction booklet that anyone can download for free as a PDF.  Beyond that there are just resellers trying to market copies of the instructions that can be had for free further down the page. 

The face of the calculator has a wealth of information printed on it.  In the left top corner are the 2 copyright dates from 1888, and 1889. In the left corner are patents from July 31 1888, and April 29 1890.  The 1888 patent # is 387,070 and is titled Sliding Logarithmic Scale.  It is viewable with a Google search. The second patent from April 29th 1890 closely resembles the calculator as it exists, right down to the sliding magnifier.  That patent # is 426,444 and is titled Sliding Calculating Scale.  It too comes up with a Google search. 

The simple and ingenious logo Walter Hart came up with to market his calculating slide rule, that took 32 pages to explain how to use, was "Arithmetic Without Figuring".  Simple Genius. 

The condition of this Hart Equationor is exceptional.  Many circular slide rules have a problem with the scales peeling, chipping, or otherwise deteriorating.  Not so here.  There is a fine alligatoring texture to the surface that looks to be factory and not damage.  The face is near flawless w/ one small dent chip.  The magnifier is very nice.  The box is original and w/o lid. A super nice and rare piece of calculation history that will display well and be a great addition to the old office, slide rule, or calculation related collection!!  Enjoy.

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SR-HART

Fine . . . . . $9895.00

To Order Email:  patentedantiques@gmail.com



Slide Rules & Calculators
By Curta - Pickett - Sun Hemmi - Aristo & Others




Pickett N1010-ES Trig 4' Classroom Teaching Aid Slide RulePickett N1010-ES Trig 4' Classroom Teaching Aid Slide Rule  The condition of this 4' teaching aid sliderule is very nice.  It is model # N01010-ES Trig rule. It dates from the 1960's or 70's.  I do not think it was ever used.  Nice!!

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SR-P1010-2

Fine . . . . . $325.00

To Order Email:  patentedantiques@gmail.com



Electric Motors / Dynamos / Fans / Steam Engines / Water Motors
& Other Early Power Devices



Carlisle & Finch No 27 10 Volt Electric Bipolar DynamoCarlisle & Finch No 27 10 Volt Electric Bipolar Dynamo    The tag or maker id info on this early and interesting open frame exposed coil electric dynamo is at the top. The plate reads "NO. 27 DYNAMO ~ 10 VOLTS ~ SPEED 1200 ~ THE CARLISLE & FINCH CO. CINCINNATI, O.". The base is cast iron.  The brass drip oilers & connecting terminals are present and the motor runs. Overall it measures 10'' in length by 5 1/4'' wide and stands 6 1/2'' at its tallest point. Super nice condition.

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ALA-CFM

Good + . . . . . $495.00

To Order Email:  patentedantiques@gmail.com






Thomas Edison Mary-Ann Dynamo / Electric Motor ModelThomas Edison Mary-Ann Dynamo / Electric Motor Model   Wonderful representation. Clean, straight from the collection and ready for yours.   Nice!!    

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SE-MARYANN

Fine . . . . . $495.00 

To Order Email:  patentedantiques@gmail.com






Franklin Bipolar Electric MotorSmall Franklin Bipolar Electric Motor This small Franklin toy size battery powered electric motor runs.  It is built on the same frame and principle as the small toy Bipolar Edison Motor one sees from time to time.  It have been suggested that they were sold or given away at one of the expos or fairs around the country that took place after the introduction by Edison of his light bulbs and full size motors / dynamos.  You actually see more of the Edison branded motor than you do the Franklin.  This tiny motor stands just under 4" tall and has a great look with its double column exposed windings.   It will display nicely and will be a nice addition to the antique electric,  motor, Americana,  or other collection.

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DNDK-FRANK

Good + . . . . . $795.00

patentedantiques@gmail.com





Erector Set Plastic Electric MotorErector Set Plastic Electric Motor What the world has evolved to.    

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SE-PLAS-MTR

Fine . . . . . 10.00 

To Order Email:  patentedantiques@gmail.com







B. F. Sturtevant Co. 1/8 Horsepower Electric MotorB. F. Sturtevant Co. 1/8 Horsepower Electric Motor  A nice looking Pancake style electric motor that dates from near the turn of the century.  The founder of the company hailed from Maine, but this is marked Boston Mass where the company was formed.  The tag calls it off as being 104 volts and 1200 RPM. There is a Sturtevant history website that describes the history and more   Nice!!    

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SE-STURT-EM

Fine . . . . . $245.00        SOLD!!

To Order Email:  patentedantiques@gmail.com






Sprague Electric Co. Lundell MotorSprague Electric Co.  Lundell Motor  This is an odd motor.  The tag says 25 in the HP window.  1/4 horse ? surely not 25 horses.  In the volt window it is stamped 500.  The RPM is 1600.  It weighs a good 50 lbs.  Different & Nice.

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SE-SPRAGUE

Fine . . . . . $295.00 

To Order Email:  patentedantiques@gmail.com


Telegraph & Telephones & More



Electrical World and Engineer Magazine April 14 1900Electrical World and Engineer Magazine April 27 1901  I have about 20 issues of this magazine in similar condition.  The first 40 or so pages are all advertising.  So are the last 10 - 15.  The middle discusses cutting edge developments in the emerging field of electricity and engineering.  There are ads for all sorts of rare things one could only wish to find.  There are fans, motors, steam engines, light bulbs, arc lamps, telephone and telegraphy related ads, tools and much more.  The ads near the end mostly deal with larger things like steam engines, locomotives and large pieces of machinery and tools like milling machines, lathes and the like.  Most all are in very nice condition noting the covers are very fragile and some are loose.  The interiors on all are nice.   

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SE-MAGS-EWE-2

Good +  . . . . . . . $25.00 / Each

To Order Email:  patentedantiques@gmail.com






Crouse Hinds 100 Amp - 125 Volt Copper & Bronze Electric Knife SwitchCrouse Hinds 100 Amp - 125 Volt Copper & Bronze Electric Knife Switch  This antique knife switch is made of almost all copper & bronze save the Bakelite handle and attaching bar. It weighs close to 5 lbs.

The switch measures approx. 10" long from handle to back joint w/ vertical post. The last two of the 1/2" dia. by 1 1/2 long threaded rods are steel w/ bronze or copper uppers. Note the decorative knurling and cove on each of the upper bolsters. All of the other 4 contact rods are all copper, including the threaded rods and nuts as they carried electrical current.

This large electrical knife switch came off a large lighting control panel made of a marble slab that was disassembled. It dates from right around the turn of the century.  1900 that is. The condition is excellent.  It can easily be mounted to a block of wood, marble, granite or other material to be displayed or be put back into service.   Perfect for the Frankenstein / Steampunk / Mancave application.  Nice!!

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SE-K-SWITCH

Good +   . . . . . . . $125.00

To Order Email:  patentedantiques@gmail.com







Zeitsinnapparat by Spindler & Hoyer, GöttingenZeitsinnapparat Scientific Psychological Recording Device by Spindler & Hoyer, Göttingen   It is a large and graphic instrument at over 28" across.

This unusual and large scientific apparatus was designed to measure & record optical and acoustic stimuli.   There is an ID tag on one top arm with the manufacturers name Spindler & Hoyer, Göttingen. It dates from approx. 1900 and is German.

Descriptions online make this type if machine sound like a forerunner of the polygraph machine.   Information also refers to its use in the study of time. There are numerous line drawings of similar devices using the word Zeitsinnapparat online that all lead to foreign or German sites.  Here is a linkn to one of those German Scientific sites.

It is unclear how exactly it would work, but it seems it was meant to be driven by a motor and would be hooked up to a drum like recording machine similar to those used on steam indicators.

Very graphic, and an interesting and important part of the history of Psychological study.  Nice!!

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TIDD-TIME

Good + . . . . . $595.00

To Order Email:  patentedantiques@gmail.com



Thomas A. Edison Related



Southern California Edison SignSouthern California Edison Sign  Approx. 14" across the bottom.  On Masonite.   Nice!!

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SE-EDSIGN

Good   . . . . . . . $60.00

To Order Email:  patentedantiques@gmail.com






Thomas A. Edison Sign / BannerThomas A. Edison Sign / Banner  Approx. 15" across the bottom.  On Fabric.  Same logo as the sign above, but not marked other than the Edison name.  It has a plastic or saran wrap like covering on it of which most I removed.   Nice!!

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SE-EDSIGN-2

Good   . . . . . . . $75.00

To Order Email:  patentedantiques@gmail.com






Thomas Edison Reproduction Light BulbThomas Edison Reproduction Light Bulb  This one has a plastic base and complete label from GE.  It commemorates the 100 year anniversary and dates from around 1978.  Nice!!

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SAC-78P-BULB

Good +  . . . . . . . $30.00

To Order Email:  patentedantiques@gmail.com





Antique Appliances & Misc. Electric



Antique Chase Bomb 2 Cell FlashlightChase "Bomb" 2 Cell Flashlight   This dates from the 30s or so.  It turns on.  The lens ring can be twisted to act like a second switch?  I think. Marked on back Pat Apld For.  Later versions have a patent date.   Nice overall condition.

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TX-BOMB-FL

Good +  . . . . . $25.00

To Order Email:  patentedantiques@gmail.com


Please See Past Sales Archives at our sister site www.AntiqBuyer.com for Examples of Past Sales

We can help you sell your quality Antiques in this and other categories of Antiques.

If you have similar antiques or collectibles you want to sell please see our
FAQ Page, the Appraisal / Selling Page, and the Selling Your Collection Pages for further info about selling with us.

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Larry & Carole Meeker