. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. Fig. 6. of a cone, the apex of which is foremost, or next to the stern of the boat. Fig. 4 shows an end view of the propeller, and shaft in sec- tion. Fig. 5 shows an end view of a similar propeller, but having three floats or vanes in place of two. Fig. 6 is a side view of a pro- Fig, peller, the floats or vanes of which are of the form of a parabolic curve, A, being the stern of the boat with a portion of the dead wood re- moved for the reception of the propeller, which


. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. Fig. 6. of a cone, the apex of which is foremost, or next to the stern of the boat. Fig. 4 shows an end view of the propeller, and shaft in sec- tion. Fig. 5 shows an end view of a similar propeller, but having three floats or vanes in place of two. Fig. 6 is a side view of a pro- Fig, peller, the floats or vanes of which are of the form of a parabolic curve, A, being the stern of the boat with a portion of the dead wood re- moved for the reception of the propeller, which will be clearly under- stood. The inventor claims the attaching blades or propellers to ships at tangents coincident with the plane of ;i right cone placed longitudi- nally with the apex foremost; and also the employment of blades of the form of parabolic sections, whether attached to the shaft at tan- gents coincident with the plane of a right cone placed longitudinally with the apex foremost, or in a position parallel to the same. LOCKS AND LATCHES. William Fletcher, of Moreton House, Buckingham, Clerk, for " Improvements in the construction of locks and latches applicable for doors and other ;—Granted January 30; Enrolled July 30, 1844. This invention for improvements in locks and latches applicable to doors and other purposes, will be understood by the following descrip- tion and reference to the annexed drawings; fig. 1 being a front view Fig. 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 London : [William Laxton]


Size: 1791px × 1396px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., boo, bookcentury1800, booksubjectarchitecture, booksubjectscience