Nice Computer photos

A few nice Computer images I found:

Shirley Hill, Office Manager, Jack Norman’s Mens Shop (MSA)
Computer
Image by MissouriStateArchives
Collection Name: Urban League of Kansas City Photograph Collection

Photographer/Studio: Unknown

Description: Woman seated at desk with office equipment and ledger book.

Coverage: United States – Missouri – Jackson – Kansas City

Date: Not dated

Rights: Copyright is in the public domain.

Credit: Courtesy of Missouri State Archives

Image Number: RG747_112_66_082

Institution: Missouri State Archives

Image from page 83 of “Arithmetica Logarithimica” (1624)
Computer
Image by Internet Archive Book Images
Identifier: arithmeticalogar00brig
Title: Arithmetica Logarithimica
Year: 1624 (1620s)
Authors: Briggs, Henry
Subjects:
Publisher:
Contributing Library: The Computer Museum Archive
Digitizing Sponsor: Gordon Bell

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Text Appearing Before Image:
iametris*Diff.2? 010491012Logarithmus arese 149714987 area Elleipfis 3 141 £9 * g9 * Idem Area; quefitae Logarithmus invenietur,fi loco Diffcrentie B auferen^de, addatur eius complementum. vt inCap. 15. oftendimusjvt ^ jj_ Logarithm!. Diametri £8 Wf 8999LS 069897000 compl.Diff.tf 989508988 j^ 1149714987 Logarith.arejae Eadem area prodibit, fi queratur percap. 17. medius proportionalis inter data- „mm diametrorum Circulos, inventos percap.25. M K W CL C 70 Qfladratum diametri AC.64Differentia B auferenda ab vtroqueQuadratum diametri BD.z^Rcliquus. Logar.circuli maiorisReliquus, Logar.circuli minorisSumma LogarithmorumLogarithmusmedij proportionalis J/uhmetka , Logarithm!.1S0617997,01049101a 139794001 4 170126985. circulus maior $o^J^ja129302989.circulusminor i9fj.4_95.2J 299429974 149714987.Elleipfis – – 3i4if9ig9* Logarithm?, #*vel vt Diameter minor 5 compl.Arith. 930102999pro- adDiametrummaiorem 8 090308999 port.S fie circulus minor 129302989 CadEllcipiim ——- ^ – X149714987

Text Appearing After Image:
2. Si duo circuit fmt concentridy Area eorum peripherijs interietfa apatttrEtteipfi, cuius Diametri fwtfumma fr differentia da-Urum Diametrorum* Nam vt in Quadratis, Differentia, Quadratorum aqnatur reffangulo comprt-henfoafumma & differentia hater urn: fie in Circulis, Differentia Circulorumaquatur Elleipft cuius Diametri tquantur fumm<e & differentia datarum diame*trorum. Eft enim Re&angulum a Diame- Etris comprehenfum, medium proportio-nate inter Quadrata diametrorum : & El-leipfis eft media proportionalis inter Cir-culos diametrorum. Erit igitur vt Quadratum °ad Re&angulum 5 fie Circulus ad EUeipfim.&alterne; vt Quadratum ad Circulum 3 lieRe&angulum ad EUeipfim: & Re&angulumquod differentia? Qnadratorum eft equale; adEUeipfim, qua? differentiae Circulorum £qua-bitur. Re&ang.39 Differentia 306305284 Elleipfis Differe. Quad. 54 Quad. 25 Circulus 50^5^834 Circulus 1963 4°,?4f Vt efto Diameter longior 8, minor 5. erunt Quadrata 64. 25. Ci

Note About Images
Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability – coloration and appearance of these illustrations may not perfectly resemble the original work.

Image from page 169 of “Business Journal” (1912)
Computer
Image by Internet Archive Book Images
Identifier: businessjournal36busi
Title: Business Journal
Year: 1912 (1910s)
Authors:
Subjects:
Publisher: Business Journal Company
Contributing Library: The University of Scranton Weinberg Memorial Library
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Text Appearing Before Image:
s of a marvelous mechanical de-vice, not like an adding machine or an adaption of any add-ing or calculating machine idea, but a machine of highlyspecialized efficiency, unapproached for speed and accuracyin its field, a machine that is not a Jack of all trades. Justas men are fitted for certain lines of work, and specializealong those lines, so it is working out to remarkable advan-tage fri installing labor saving devices that will do a certainwork well. There is no advantage in using a machine orwork that it is not fitted for and only accomplishes in a roundabout way. The work connected with interest calculationsis full of detail. In arithmetic there are around 40 pages oninterest. In attempting to build a machine that will takecare of all the items that come up in interest and calcula-tions, there were many things to overcome, and this calcula-tor, that takes care of all such work must be classed as ?wonderful machine and beside other machines has pointsof merits beyond comparison.

Text Appearing After Image:
This new machine known as the Meilicke Calculator, man-ufactured by the Meilicke Calculator Company, Chicago, 111.,is made up of four devices, a Time Computer, Holiday De-tector, Maturity binder and Interest Calculator. Each oneof these devices could be operated separately and would bean improvement over present methods, but in the machinethe four devices are combined as one, and in any problemthe operating of but one device brings to register answerson all the others, so that one turn of the hand wheel givesfour distinct answers. The machine computes interest atany rate on any amount, reckons time between any twodates; and detects whether or not the date of maturity isa Sunday, Saturday, or a legal holiday—all in one simpleuntiring band movement, thus accomplishing the work ofman) minutes in a few seconds—with the added advantageof absolute accuracy being assured. The Meilicke Calcula-tor is built like a clock, but is more accurate; it never variesa tenth part of a cent and maint

Note About Images
Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability – coloration and appearance of these illustrations may not perfectly resemble the original work.