Cool Computer images

A few nice Computer images I found:

Image from page 24 of “Trigonometria” (1658)
Computer
Image by Internet Archive Book Images
Identifier: trigonometria00newt
Title: Trigonometria
Year: 1658 (1650s)
Authors: Newton, J.
Subjects:
Publisher:
Contributing Library: The Computer Museum Archive
Digitizing Sponsor: Gordon Bell

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Text Appearing Before Image:
3381.63552 The Sines a/id Co-fines. Dcg.pans12. OO 6. 00 3. 00 I. 50 o. 75 o- 375o. 1875o. 09375o. 046875 o. 0234375 20791.16908.10452.84632. 5*33-595,522617.69483 1308.95955^ ^54-49379 327.24865. 163.62454 81.81229 40.90615 J775967654 42944078737H456735306526.436249560732028 o. 01171875! 20.45307.70292 9781499452998629996599991999919999999999999999999999999 .76007. 18953- 95347.,73249. •43275.85816,46453 7439°,95418.99016 .99790 3380668273 5457475557 ,7400763997371063886480505 3341083831 From the Sine of o deg. 01171875 parts of a degree( the Sine of one centefm is thus foundby the Rule of proportion : As pdeg. 01171875 parts of adegree, Is to the Sine thereof 20.45307.70292:So is one centefm, To the Sine thereof, And the Co-fine,(by the 8. of the firft hereof.) 17.45329.2398:99999.99847.69129 12. The Tr/fwwmeina Britannica. t:. The Sine and Sine-complement of one ceritcfm being thus found, the reft of the Canon-af Sines may be computed, bj the ioth. of the fir ft, in this manner.

Text Appearing After Image:
Let A G reprefent the Radius, A H or A F the Sine of 89 deg.99 centefmes, then,AsAGRadius, Isto A K, the double of AH: So is AF, to AL, thefumof AG& A fi,From which deducting AG Radius, the remainer is A E, the fine of -9% centefms. Illuflration by Numberi.As the Radius AG 10 030.00000.000 Isto A K: 19999-99969.)^8258 So is A F, 9 999.99984.769129 ToAL- 19999999l 9-°76$l 7 The Radius AG Subftracb 10000.00000.000000 There reds L G, 9999;99959«°765I7 equal to A £, the Sine of 89 degr. 98 centefms- 2 Example. As the Radius AG,IstoAKSo is A ETo AM. A F 9^.99 SubfiraEb Reds FM, equal to A D 98.97. 3 Example, As the Radius A G Is to A K: So is A D 98.97 ToAN A S Subftratt Refts E N equal to A C 89.96. 4 Example. As the Radius A GIstoAK:So is A C 89.96ToAO A D Subftratt Reft DO equal to BC 89,95 iooooo.ooooo.oooco 199999.99695.38258 99999-99$ 9°*76 517i9p999.98476.9i 29 3 99999.99847.69129 99999.98629.22164 100000.00000.oooeo 199999.99695-3825899999.98629.22164 199999.9695 3.8 259

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Image from page 38 of “Usus et Fabrica Circini Cuiusdam Proportionis” (1655)
Computer
Image by Internet Archive Book Images
Identifier: ususetfabricacir00capr
Title: Usus et Fabrica Circini Cuiusdam Proportionis
Year: 1655 (1650s)
Authors: Capra, Balthasar
Subjects:
Publisher:
Contributing Library: The Computer Museum Archive
Digitizing Sponsor: Gordon Bell

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Text Appearing Before Image:
odabts , &immoto tnftrumento exapies diftanttaminterpuntla 30 ^o.prolateree.f. quod iterumfacies pro latere c. a. tlincq; colltgere Itcet tnflmmen-ti rtiiitatem, cttrn tamfacili negotio poffimus probl. 6. prop. 18. Itb. 6.Eucl. refoiuere, quod alias nift furnmo labore confici poteft. J^ulli itaq; dubium efl quodhac ratione pojfumus Vrbisfeu Caflrt ve-rara deltneationem , dtfpofitttnemq; ac fttumtum maiorem, tum mtno.rem reddere,fed quia quando altqua figttra datur augenda, Vel diminu.enda non femper daturproportio fecttndum quam debet augeri vel drmu nut, Circini Proportionis. 17 nui, quo in cafu neceffum eflbabere duas fcalas exadiffmedtuifa$yquarum vnafit immo*bilis, altera autem mobilis,cum autem b&fcala ex inflru*mento boc no(lro exacliffim&habeantur, ideb per aliud exe*flum aliam operandirationemdemonfirare oportunum erit.Detur itaq Vrbis Vel Caflri talis delineatio a. b. c. d. e. r. infuper deturlatur g. h. bomologum c. b. fer qucd defcribenda fit alia figura minor.

Text Appearing After Image:

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.