A walsh (62 résultats)

Hard Cover. Etat : Good+ to Very Good. No Jacket. 4th Printing. Rear cover has areas of lighter discoloration, corners frayed right at tips, name stamp of former owner on all outside page edges and on front endpage and back of rear endpage. Internal pages are very good. Orange/brown cloth with partially faded gold lettering on spine. 189 pages.…

Etat : very_good.

Etat : As New. Unread book in perfect condition.

Etat : As New. Unread book in perfect condition.

Etat : New.

Etat : New.

Paperback. Etat : New.

Softcover. Etat : Very Good. Private owner's Department of State address label on the front cover. One instance of an underlined word with a marginal note. ; "A Symposium .in which 20 authors - diplomats, former hostages, social scientists, journalists - speak from personal experience ." ; 70 pages.

Etat : New.

Paperback or Softback. Etat : New. King's Odyssey. Book.

Etat : New. In English.

Etat : New. In English.

Etat : New.

paperback. Etat : Good.

Paperback. Etat : As New. Softcover. Good binding and cover. Clean, unmarked pages.

Etat : New.

Etat : New.

Etat : Very Good. Very Good condition. Volume 4, number 2. (Energy policies, Asia) A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner's name, short gifter's inscription or light stamp.

Etat : As New. Unread book in perfect condition.

Etat : As New. Unread book in perfect condition.

Etat : New. In English.

Ephemera. Etat : Good. [Broadside]; 28 cm X 23.5 cm; 1 pages; Advertising broadside measuring 28 cm X 23.5 cm with images of two water wheel governors and one detail figure along with explanatory text describing the workings of the machines. The sheet has been folded into six segments, some edgewear and tiny tears, one small hole where the sheet was pinned to a book. This particular copy has 19th century annotations in pencil indicating the prices of the respective machine models and an address in Bristol, CT (possibly where the machinery might be purchased). C. 1875 (See Scientific American, May 8, 1875, p, 294) An interesting illustrated advertisement for Text describing the operation of the Water Wheel: The water wheel governor herewith illustrated is one we has been in practical use for some years meeting with a widespread success. It has, however, been made the subject, from time to time, of various modifications, tending to simplify its form and add to its strength and general efficiency. The engravings, Figs. 1 and 2, represent the invention in two different forms, in both of which the latest improvements are combined. The mechanism will be understood from the sectional view, Fig. 3, in which A is a vertical shaft, which, driven by a pulley shaft and bevel gearing, revolves the balls. The latter actuate the collar, B, in the ordinary way, and the collar in turn works the bell crank, C. To the bell crank is ing in oxygen,4; magnesium lamp, 5; binoxide of nitrogen | kind of oil or fat which can take its place for the lubricatio pivoted the connecting rod, D, which is similarly connected without sulphide of carbon, 6, and a jet of oxygen delivered of cotton spindles and like motions; and hence it is believed with the shield, E. This last is either a disk or a sector upon sulphur, 8. From this it appears that the mixture of that the fat of the mutton bird should be carefully tested for toothed wheel, F, and is provided in either case with a notch binoxide of nitrogen and sulphide of carbon is useless, that purpose. at the bottom, as shown in Fig. 3. With each revolution of shaft, A, an eccentric, G, through the rod, H, reciprocates the gravity pawls, I, one or the other of which engages the toothed wheel, F, according as the notch in the rim of the shield permits the engagement. As the collar, B, moves up and down with variations of speed, the shield is moved, by the connecting rod, D, above described, so that the notch in the shield allows of the action of the proper shaft pawls. The toothed wheel, F, is fixed to the shaft, J, which is connected to the gate shaft by suitable gearings. It is obvious that, when the notch in the shield stands mid-way between the pawls , I, neither of the pawls can act. Advantage is taken of this to limit the height to which the gate can be raised by the governor. A nut and arm, K, run along a thread cut on the shaft, J, Fig. 1. till it finally abuts against a shoulder turned on the shaft, and then turns with the shaft. At the same time the pin, L, is brought under a lug, M, formed on the hub of the shield. The shield is thus turned so as to bring the notch to the center, where, as neither of the pawls can act, the gate cannot be further raised. As soon as the speed of the general shafting, to which the governor is belted, increases, the action of the collar, B, and bell crank, C, Fig. 3, moves the notch of the center so that the proper pawl to lower the gate acts as before. Fig. 2 represents a governor made to act by two eccentrics, two systems of pawls, and two toothed wheels, so as to raise or lower the gate faster than the single system will : this style of governor being designed for certain turbines, the gates of which are operated with screws which require many turns to open or close the gate. A friction brake, N, Fig. 1, is employed to hold the shaft, J, from turning back, as it will in some cases during the intervals between the impulses imparted by the pawls. O os a lever which is used to detach the pawls.…

Paperback. Etat : New.

Soft cover. Etat : Fine. 1st Edition. Booklet, stiff illus. wraps. 32 pp., illus. 1st ptg. As issued. Size: 8vo - over 7¾" - 9¾" tall. Book.

PAP. Etat : New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Etat : New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Etat : New. pp. 413.

Etat : New. pp. 413.

Etat : Very Good. Very Good condition. A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner's name, short gifter's inscription or light stamp.

Taschenbuch. Etat : Neu. Neuware - Young children are not too young to learn the wisdom of 'I AM'-in fact, they may already intuitively know that there is consciousness in everything. This charming picture book combined with simple text ('I AM said the tree,' 'I AM said the bee,' 'I AM said the pie,' 'I AM I AM said I,' and more) can be read by adults to young children to teach them that 'I AM' is the pure loving essence of everything. This book is based on the Affirmations of Joachim Wippich, a dowser and spiritual teacher featured in two books by Dr. Jerry Gin (The Seeker and The Teacher of Light, as well as Science, Subtle Energies, and Spirituality: A Path to I AM). As the back cover of AM I / I AM puts it, 'Inviting myself to come to the correct vibrational frequency of love brings me into harmony with my own disharmony and strengthens my 'I AM.' When my 'I AM' essence is 100%, there is no room for interfering thoughts to come in and cause disharmony.' Inviting young children to experience a connection with the 'I AM' of everything through this book can help them center in the consciousness of love and presence, starting from a young age and continuing into their later years.…