By Francis C. Moon

This publication contains 4 elements which really may still top be understood as 4 seperate essays via an analogous writer. the 1st of those is a biographical comparability of Leonardo da Vinci and Franz Reuleaux, a German engineering educator of the past due 19th century. notwithstanding firstly this can look slightly absurd, the purpose the writer makes is that during their method of describing mechanical units there's a lot similarity among the 2. so one can identify that, Francis Moon demonstrates a radical mastery of the documentary proof of da Vinci and nice familiarity with the paintings of Reuleaux, rather his library of actual types of mechanisms. the second one essay is a ancient precis of the evolution of the layout of machines from precedent days into the 20 th century. this can be a attention-grabbing examine that makes a speciality of the extent of connection among mathematical analytical knowing and intuitive kinematic figuring out of mechanical desktop layout. It addresses the often missed subject of the way engineers of the prior designed issues. To an engineer there aren't any finish of fascinating subject matters coated as for instance,a comparability of the flying machines designs of da Vinci and Otto Lilienthal, who was once a pupil of Reuleaux. The 3rd essay is a chain of short comparisons of 20 detailed mechanisms defined in a few aspect by way of either da Vinci and Reuleaux of their writings. it's tough to not be fascinated about this, not less than while you're a mechanical engineer. The fourth essay is a bibliographical assessment of a lot of the cloth the booklet is predicated on. this is often in no way the least fascinating half. i feel the publication may have learn a bit extra coherently if the second one essy so as were the 1st yet that might probably long past opposed to the relative order of the name and subtitle of the booklet.

i stopped up giving this publication 5 stars although it is particularly a lot an instructional paintings, with major repetition and restricted narrative thrust. For something, the illustrations are almost innumerable (143 to be numerous)and of significant caliber even though occasionally inevitably a bit small in replica. subsequent the reference fabric is very available either within the final essay but additionally extra particularly during the textual content. ultimately the ebook is a handy access approach and advisor to an internet source, the KMODDL Kinematic versions for layout electronic Library at Cornell that is really wonderful.

To sum up, while you are really attracted to the subtitle of this e-book, "Kinematics of Machines from the Renaissance to the twentieth Century" then it is a 5 famous person purchase with none doubt.

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Additional info for The Machines of Leonardo Da Vinci and Franz Reuleaux: Kinematics of Machines from the Renaissance to the 20th Century (History of Mechanism and Machine Science)

Example text

12. Top: toothbrush with crown wheel gear and pinion and slider-crank mechanism. Middle: Crown wheel gear and lantern pinion of Leonardo da Vinci from the Codex Madrid I. Bottom: Double slider-crank mechanism and worm gear drive of Leonardo da Vinci from the Codex Madrid I Although several manufacturers have secured patents on these devices, the sub- mechanisms that change the constant rotary motion of the motor into the oscillating brush motion can all be found in the machine books of the Re- 26 Part I.

The player piano was a popular mechanical form of automata. In the Renaissance, engineers such as Leonardo da Vinci often designed fountains with time changing flows or moving props for stage productions and pageants as part of their duties for their patron. In the late 18th century, Jacquard designed punched cards to control textile machines. James Watt also invented a rotating ball speed controller for his steam engines. In the early 19th century Charles Babbage tried to build a machine with 15,000 parts to automatically generate mathematical tables for astronomy and navigation.

Theatre of Machines: Jacob Leupold (1724); Windmill . . . 3 Modern applications of kinematic mechanisms . . . . . . . (Continued ) . . . . . . . . . . . . . . . . . . . . . Classification of Leonardo’s machines by application . . . . Reti’s comparison of Leonardo’s and Reuleaux’s basic machine elements . . . . . . . . . . . . . . . . . . . Selection of machines cited in Franz Reuleaux’s The Constructor; 4th Edn (1893) . . . .

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