31024 SCIENTIFIC AMERTCAN SUPPLEMENT, No. 1312, FEBRUARY 23, L�OL
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:31024 SCIENTIFIC AMERTCAN SUPPLEMENT, No. 1312, FEBRUARY 23, l�OL THE LOSCHWITZ SUSPENDED RAILWAY. English readers through the enterprise of Mr. Clemens work, :1 discussion arose among the Council of Ten Herschel, an American engineer, who has published a who, consultil}g the Sibylline Books for another pur Tu!<; suspended railway which is to take the place photographie reproduction of the original Latin manu pose, found that it was not right for the Marcian of the cable-road on the heights of Loschwitz, near script preserved in the monastery of Montecassino, waters-and still less for those of the Anio-to be Dresden, will soon be opened to the public, according ab out halfway between Rome and Naples, and its re brought to the Capitol. It was a little late in the to the Illustrirte Zeitung. print in modern Latin; also a translation into Eng day to make this latter discQvery, because the Anio The new road is about 1,000 feet in length and is lish, and some explanatory chapters. water had been used in the city at that date for over built on thirty-two piers. From the lower station, sit The sentiment embodied in the opening paragraphs 160 years. The matter was then discussed in the Sen uated not far from Loschwitz Church, the road runs of Frontinus's first book is so admirable, and so equally ate, and revived three years later, but ultimately the along Victoriastrasse leading to Roschwitz Plateau, applicable to the twentieth as to the first century, popularity of Marcius Rex carried the day, and it was and thence up to Loschwitz Plateau. The two sta that I make no apo}ogy for transcribing it literally. decided to utilize these beautiful springs. tions are not without their good architectural points. He says: "Inasmuch as every office conferred by the Fenestella says that 180 million "sestertii" were ap The lower station is built in the Flemish Renaissance Emperor demands special attention, and inasmuch as propriated for the works of the Marcian Aqueduct style; the upper, with four queer towers, is more mod I am moved not only to devote diligence, but even love, equal, if the basis of calculation is correct, to over ern in appearance. The upper station serves both as to any matter confided to my care, be it on account of fl,600,000. This sounds like a big estimate for such a terminus and as a power house. The rolling stock inborn zeal or by reason of faithfulness in office; and a work in those days, and possibly there is some mis consists of four cars, each of which has a capa city of inasmuch as Nerva Augustus, an Emperor of whom it take. Its length was about 58.4 miles, of which 51.3 fifty. is difficult to say whether he devotes more love or were below ground-what we should now call cut-and The Loschwitz railway is not the only road of its more' diligence to the common weal, has now conferred cover work contouring the hillsides-0.5 mile on a kind which has been built. Between Bremen and Eber upon me the duties of Water Commissioner; duties substructure of masonry above ground, and 6.6 miles feld a road has been in operation which is built on the contributing partly to the convenience, partly to the on arches. It would have been intensely interesting same principle, and which has been fully described health, even to the safety, of the city, and from olden to have seen a longitudinal seetion of this or any in the SCIENTIFIC AMERICAN. times exercised by the most distinguished citizens. I other of the ancient aqueducts, and the instruments therefore consider it to be the first and most important with which the engineers did their leveling, so as to thing to be done, as has always been one of my funda maiiltain the gradients of their conduits. The cross THE ANCIENT HISTORY OF WATER mental principles in other affairs, to learn thoroughly seetion of Marcia was 5.7 feet in height and 3.5 feet what it is that I have undertaken. There is, indeed, ENGINEERING.* in width, and it delivered water in Rome at an eleva no better foundation for any business, nor can it in By JAMES MANSERGH, President Inst.C.E. tion of 201 feet above sea-Ievel. any other way be determined what is to be done and Thirty years aga the use of the Marcian spring water UNTIL the advent of modern electrical engineering I what omitted; nor is there for a fair-minded man so was resumed in Rome under a concession gran ted to have hitherto looked upon the work of a hydraulic debasing a course as to perform the duties of an office an English company by Pope Pius IX., and the name engineer as the most interesting, as it probably is the imtrusted to hirn according to the direction of subor given to the modern aqueduct is "Acqua Pia." most ancient, branch of our practice. The railway en dinates; a course, however, which must be followed The engineer who has the honor of effecting this gineer began his business Mriously only a few years whenever an experienced official takes re fuge in the revival is Colonel Bernard Blumenstihl, who, in his before I was born, and the electrical engineer is a crea practical knowledge of his assistants, whose services, little book entitled "Brevi Notizie sull Acqua Pia ture but of yesterday; while one of my predecessors though necessary for rendering help, should neverthe built a dam of hewn stone at Kosheish, to divert the less be only a sort of hand and tool of the principal (Antica Marcia), 1872," gives a full account of his search for and discovery of the ancient Marcian course of the Nile from the spot upon which Meua in charge. It is for th�s reason that I have set down desired to build Memphis, nearly 5800 years ago. in this commentary all that I could gather as bearing springs. He says that these springs are now called In Egypt also a canal was made by order of Usertesen on the subject-matter, after having arranged it and the second and third "Serena" situated on the north II I. , by which he sailed southward to crush Ethiopia codified it in accordance with my habits, so that I side of the Anio, a short distance down stream from 2660 years B.C. might consult it as a guide in the duties of this." Agosta. He has found the ancient masonry conduit In Babylonia, 2350 B.C., Siniddinam, the King of I think you will agree with me :hat this is admir leading the water from the springs toward Rome. Larsa, enlarged the canal-still more ancient work-on ably put by the fine old Roman gentleman who did his In the year 127 B. C., that is eighteen years after which Larsa was situated, while Rimsin, King of Elam, honest and conscientious work as Curator Aquarum the Marcia, the Tepula aqueduct was constructed by provided an outlet for the Tigris (River of the Gods) over 1800 years ago, and that his words are worthy the Censors Servilius Coepio and Cassius Longinus. into the Persian Gulf about the same time. to be recorded in our " Transactions." The sour ce of the water utilized by this aqueduct was Khammurabi, the King of BabyIon, about 2320 B.C., From the foundation of Rome in 754 B.C., for 441 certain volcanic springs situated nearly two miles having witnessed the ravages of floods in the Lower years-that is, to 313 B.C.-the citizens were content to the right of the Latin Way as one comes frorn Tigris, organized a system of improvement in the com with using water which they drew from the Tiber, Reime, and near the tenth milestone, on the slopes plicated network of ditches and channels which inter or from wells or from springs, but in that year the of Mount Albani. This is about half-way between sected the territory belonging to the great cities Appian water was brought into the city by the Censor Frascati and Rocca di Papa. It will be noticed that between BabyIon and the sea, with gratifying results. Appius Claudius Crassus, who also had charge of the the first and third Roman aqueducts received the names In India efforts were made in very early times to construction of the Appian Way from Porta Capina of the men chiefly responsible for their construction, preserve and utilize the rains and rivers, and in to the city of Capua. He had for his colleague Plautius, Appius and Marcius. Beluchistan the great Cyclopean dams of stone known who received the name of Venox (the Searcher of In this case the name Tepula was adopted on ac as the Ghorbasta were erected, it is believed, ab out Springs) on account of his search for the springs of count of the slightly warm or tepid character of 1800 B.C., or 3700 years ago. this water. the water of the springs (63 deg. F.), which are now In Egypt, irrigation works can be traced back to a Appius appears, however, to have been the smarter called Sorgenti delI' Acqua Preziosa, on ac count pos very remote period. In that comparatively level coun of the two, for while Plautius was induced to resign his sibly of their possessing some curative properties. Up try an 'extensive system of artificial ponds, reservoirs office before the expiration of the normal term, Appius to the time of the building of the Tepula conduit, or lakes, with a network of distributing canals, was in contrived to extend his until he had not only com these structures had been made principally of dimen existence at least as early as the time of Sesostris, pleted the aqueduct, but also the highway.