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Frank Stephen Baldwin (April 10, 1838 – April 8, 1925) was an American who invented a
pinwheel calculator A pinwheel calculator is a class of mechanical calculator described as early as 1685, and popular in the 19th and 20th century, calculating via wheels whose number of teeth were adjustable. These wheels, also called pinwheels, could be set by usi ...
in 1875. He started the design of a new machine in 1905 and was able to finalize its design with the help of Jay R. Monroe who eventually bought the exclusive rights to the machine and started the
Monroe Calculating Machine Company Monroe Systems for Business is a provider of electric calculators, printers, and office accessories such as paper shredders to business clients. Originally known as the Monroe Calculating Machine Company, it was founded in 1912 by Jay Randolph ...
to manufacture it.


Early years

He was born on April 10, 1838, in
New Hartford, Connecticut New Hartford is a New England town, town in Litchfield County, Connecticut, United States. The population was 6,658 at the 2020 United States census, 2020 census. The town is part of the Northwest Hills Planning Region, Connecticut, Northwest Hill ...
. In 1840 the family moved to Nunda, New York, where he attended the Nunda Institute for
elementary school A primary school (in Ireland, India, the United Kingdom, Australia, New Zealand, Trinidad and Tobago, Jamaica, South Africa, and Singapore), elementary school, or grade school (in North America and the Philippines) is a school for primary ...
. In 1854 he was enrolled at
Union College Union College is a Private university, private liberal arts college in Schenectady, New York, United States. Founded in 1795, it was the first institution of higher learning chartered by the New York State Board of Regents, and second in the s ...
in
Schenectady, New York Schenectady ( ) is a City (New York), city in Schenectady County, New York, United States, of which it is the county seat. As of the United States Census 2020, 2020 census, the city's population of 67,047 made it the state's ninth-most populo ...
, but left when his father had an accident that left him as an invalid for the rest of his life. Frank then took over the management of his father's architectural business. In 1855, Frank applied for a patent on an "arrowhead self-coupler" for railroad cars, but the patent was rejected. In 1860 an uncle in
Carlyle, Illinois Carlyle is a city in and the county seat of Clinton County, Illinois, United States. The population was 3,253 at the 2020 census. Carlyle is located approximately east of St. Louis, Missouri, and is home to Illinois' largest man-made lake, Ca ...
, designed a corn-planter and Frank assisted in applying for the patent. In 1861, he returned to Carlyle to build a model of the planter and to arrange manufacturing. During the
American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...
he enlisted in the Carlyle Home Guard, but only served for three months. In 1869, he went to
St. Louis, Missouri St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an Independent city (United States), independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi River, Mississippi and the Miss ...
, as manager of Peck's Planning Mills. It was around this time, that he invented an
anemometer In meteorology, an anemometer () is a device that measures wind speed and direction. It is a common instrument used in weather stations. The earliest known description of an anemometer was by Italian architect and author Leon Battista Alberti ...
, for recording the direction of the wind. He also invented a "registering step" for street cars, that recorded the number of passengers entering a streetcar; and a "street indicator" geared from the axle of a trolley that showed each street in succession, from an illuminated box, as the car passed. Shortly thereafter, he invented and patented the "Recording Lumber Measure", a machine which automatically measured and recorded four different kinds of lumber at the same time. This device started him thinking about
calculating machine A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or a simulation like an analog computer or a slide rule. Most mechanical calculators were comparable in s ...
s and this point really marks the birth of the Monroe calculator. In the office of a life insurance company at St. Louis, he had seen an
arithmometer The arithmometer () was the first digital data, digital mechanical calculator strong and reliable enough to be used daily in an office environment. This calculator could add and subtract two numbers directly and perform Multiplication algorithm, ...
, a calculating machine devised by
Charles Xavier Thomas Charles Xavier Thomas de Colmar (May 5, 1785 – March 12, 1870) was a French inventor and entrepreneur best known for designing, patenting, and manufacturing the first commercially successful mechanical calculator, known as the Arithmometer. A ...
around 1820 and which, at the time, was the only mechanical desktop calculator in commercial production. To create a model based on his ideas he hired William Seward Burroughs I to perform the work in his machine shop, which he, with his father, had in St. Louis.


Marriage

In October 1872, he married Mary K. Denniston of
Williamsport, Pennsylvania Williamsport is a city in and the county seat of Lycoming County, Pennsylvania, United States. As of the 2020 census, it had a population of 27,754. It is the principal city of the Williamsport Metropolitan Statistical Area, which has a populati ...
. She was visiting relatives in
St. Louis St. Louis ( , sometimes referred to as St. Louis City, Saint Louis or STL) is an independent city in the U.S. state of Missouri. It lies near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a populatio ...
when they met. Together they had seven children: Frank Pardee Baldwin (1873–1946) who was born in
Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
; Emma Virginia Baldwin (1877–1952) who was born in St. Louis, and worked as a librarian at the public library; Eugene Denniston Baldwin (1880–?) who was born in St. Louis, and worked as an insurance clerk; George Howard Baldwin (1890–1950); Lillian Isabel Baldwin (1886–1916); and Blanche Baker Baldwin (1891–1969) who was born in
New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...
, and worked as a clerk at the
YMCA YMCA, sometimes regionally called the Y, is a worldwide youth organisation based in Geneva, Switzerland, with more than 64 million beneficiaries in 120 countries. It has nearly 90,000 staff, some 920,000 volunteers and 12,000 branches w ...
. In 1873 they moved to
Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
where he made ten of his
calculating machine A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or a simulation like an analog computer or a slide rule. Most mechanical calculators were comparable in s ...
s. When the calculating machine was finished, he sold one to the office of the
Pennsylvania Railroad The Pennsylvania Railroad ( reporting mark PRR), legal name as the Pennsylvania Railroad Company, also known as the "Pennsy," was an American Class I railroad that was established in 1846 and headquartered in Philadelphia, Pennsylvania. At its ...
and was referred to George M. Taylor, Auditor of Freight Receipts. He then designed an
adding machine An adding machine is a class of mechanical calculator, usually specialized for bookkeeping calculations. Consequently, the earliest adding machines were often designed to read in particular currencies. Adding machines were ubiquitous office ...
called the "arithmometer" and his patent was issued on July 28, 1874. It was one of the first adding machines sold in the United States. He placed both of his calculators on exhibition at the
Franklin Institute The Franklin Institute is a science museum and a center of science education and research in Philadelphia, Pennsylvania. It is named after the American scientist and wikt:statesman, statesman Benjamin Franklin. It houses the Benjamin Franklin ...
, and he was awarded the
John Scott Medal John Scott Award, created in 1816 as the John Scott Legacy Medal and Premium, is presented to men and women whose inventions improved the "comfort, welfare, and happiness of human kind" in a significant way. "...the John Scott Medal Fund, establish ...
for the "most meritorious invention" of the year.


Europe

Wilgott Theophil Odhner developed a similar pinwheel machine also based on Thomas' arithmometer and took out patents in all European countries and in the United States in 1878. It took him another 12 years to perfect the design so that it could be manufactured effectively. In 1890 his workshop soon followed by several large manufacturing companies in Europe started production. His machine, called Odhner's Arithmometer then appeared under ten to fifteen names in Europe, the most important being
Brunsviga Brunsviga was a calculating machine company whose history goes back to 1892. They produced mechanical calculators, hand operated but later also electrically driven. The firm Grimme, Natalis & Co that manufactured the machines changed their name ...
and Triumpator, which were manufactured in
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
.


Monroe

In 1900, he patented the "Baldwin Computing Engine", a machine by which multiplication or division was performed by one stroke for each digit. In 1908, he was awarded a patent on the "Baldwin Recording Calculator", which combined a printer with the calculator. In 1911, he partnered with Jay R. Monroe, of the
Western Electric Company Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, ...
in
New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
to create the
Monroe Calculator Company Monroe Systems for Business is a provider of electric calculators, printers, and office accessories such as paper shredders to business clients. Originally known as the Monroe Calculating Machine Company, it was founded in 1912 by Jay Randolp ...
. In 1920 he was living in
East Orange, New Jersey East Orange is a City (New Jersey), city in Essex County, New Jersey, Essex County, in the U.S. state of New Jersey. As of the 2020 United States census, the city's population was 69,612, an increase of 5,342 (+8.3%) from the 2010 United States ...
, with his wife and children.


Death

Baldwin died at age 86 in 1925 in a private hospital in
Morristown, New Jersey Morristown () is a Town (New Jersey), town in and the county seat of Morris County, New Jersey, Morris County, in the U.S. state of New Jersey.
, following an operation.


References


External links


Baldwin calculator brochure


Patents

*; Adding Machines; July 28, 1874 *; Cryptographic device; November 20, 1877 *; Cement mixer; May 12, 1891 *;
Roundabout A roundabout, a rotary and a traffic circle are types of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junct ...
; June 7, 1892 *;
Calculating machine A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or a simulation like an analog computer or a slide rule. Most mechanical calculators were comparable in s ...
; January 9, 1900 *;
Calculating machine A mechanical calculator, or calculating machine, is a mechanical device used to perform the basic operations of arithmetic automatically, or a simulation like an analog computer or a slide rule. Most mechanical calculators were comparable in s ...
; August 5, 1902 {{DEFAULTSORT:Baldwin, Frank Stephen 1838 births 1925 deaths People from New Hartford, Connecticut Engineers from Connecticut Mechanical calculators People from Denville Township, New Jersey People from East Orange, New Jersey People from Nunda, New York Union College (New York) alumni People from Carlyle, Illinois