User contributions for Laverock~commonswiki

19 November 2006

• 16:0316:03, 19 November 2006 diff hist +216 N File:C letter 7.png Illustration from 1911 Encyclopædia Britannica, article C. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:5115:51, 19 November 2006 diff hist −12 File:C letter 4.png No edit summary
• 15:5115:51, 19 November 2006 diff hist −12 File:C letter 3.png No edit summary
• 15:5015:50, 19 November 2006 diff hist −12 File:C letter 2.png No edit summary
• 15:5015:50, 19 November 2006 diff hist −12 File:C letter 1.png No edit summary
• 15:4915:49, 19 November 2006 diff hist +542 N File:C letter 10.png Illustration from 1911 Encyclopædia Britannica, article C. As a numeral C denotes 100. This use is borrowed from Latin, in which the symbol was originally [fig] a form of the Greek θ. This, like the numeral symbols later identified with L and M, was th
• 15:4615:46, 19 November 2006 diff hist +216 N File:C letter 9.png Illustration from 1911 Encyclopædia Britannica, article C. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4515:45, 19 November 2006 diff hist +216 N File:C letter 8.png Illustration from 1911 Encyclopædia Britannica, article C. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4515:45, 19 November 2006 diff hist +216 N File:C letter 6.png Illustration from 1911 Encyclopædia Britannica, article C. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4415:44, 19 November 2006 diff hist +216 N File:C letter 5.png Illustration from 1911 Encyclopædia Britannica, article C. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4415:44, 19 November 2006 diff hist +228 N File:C letter 4.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4315:43, 19 November 2006 diff hist +228 N File:C letter 3.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4315:43, 19 November 2006 diff hist +228 N File:C letter 2.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:4215:42, 19 November 2006 diff hist +228 N File:C letter 1.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. From the discussion of the evolution of the shape of the letter 'C'. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:1815:18, 19 November 2006 diff hist +431 N File:Byzantine art 6.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. Original caption: INTERIOR OF ST. LUKE'S, NEAR DELPHI. Showing a typical scheme of internal decoration. The lower parts of the walls are covered with marble, and the upper surfaces a
• 15:1715:17, 19 November 2006 diff hist +232 N File:Byzantine art 5.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. Original caption: SMALL MEDIEVAL CATHEDRAL, ATHENS. Photo: Emery Walker. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:1615:16, 19 November 2006 diff hist +237 N File:Byzantine art 4.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. Original caption: CAPITALS OF COLUMNS. S. APOLLINARI, RAVENNA. Sixth century. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:1515:15, 19 November 2006 diff hist +234 N File:Byzantine art 3.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. Original caption: CAPITALS OF COLUMNS. S. MARK, VENICE. Eleventh century. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:1415:14, 19 November 2006 diff hist +234 N File:Byzantine art 2.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. Original caption: CAPITALS OF COLUMNS. S. VITALI, RAVENNA. Sixth century. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 15:1215:12, 19 November 2006 diff hist +357 N File:Byzantine art 1.png Illustration from 1911 Encyclopædia Britannica, article BYZANTINE ART. Original caption: INTERIOR OF THE HOLY WISDOM (S. SOPHIA), CONSTANTINOPLE. Sixth century, the dome was rebuilt in the tenth century. The metal balustrades, pulpits, and the large dis
• 12:0112:01, 19 November 2006 diff hist +202 N File:Calculating machines 24.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. The Michelson and Stratton analyzer. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 12:0012:00, 19 November 2006 diff hist +194 N File:Calculating machines 23.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. The Henrici-Coradi analyser. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:5811:58, 19 November 2006 diff hist +1,029 N File:Calculating machines 22.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. In Coradi's integraph a rectangular frame F₁F₂F<sub>3<sub>F₄ (fig. 22) rests with four rollers R on the drawing board, and can roll freely in
• 11:5611:56, 19 November 2006 diff hist +213 N File:Calculating machines 21.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying explanation of Integraphs. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:5511:55, 19 November 2006 diff hist +222 N File:Calculating machines 20.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying explanation of Amsler's Integrator. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:5011:50, 19 November 2006 diff hist +1,038 N File:Calculating machines 19.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: Amsler has modified his planimeter in such a manner that instead of the area it gives the first or second moment of a figure about an axis in its plane. An inst
• 11:4811:48, 19 November 2006 diff hist +15 File:Calculating machines 18.png No edit summary
• 11:4611:46, 19 November 2006 diff hist +231 N File:Calculating machines 18.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of the Hatchet Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:4611:46, 19 November 2006 diff hist +231 N File:Calculating machines 17.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of the Hatchet Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:4411:44, 19 November 2006 diff hist +489 N File:Calculating machines 16.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: Altogether different from the planimeters described is the hatchet planimeter, invented by Captain Prytz, a Dane, and made by Herr Hatchet planimeters. Corneliu
• 11:4211:42, 19 November 2006 diff hist +811 N File:Calculating machines 15.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: The first planimeter was made on the following principles:—A frame FF (fig. 15) can move parallel to OX. It carries a rod TT movable along its own length, hen
• 11:4011:40, 19 November 2006 diff hist +228 N File:Calculating machines 14.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:4011:40, 19 November 2006 diff hist +228 N File:Calculating machines 13.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3911:39, 19 November 2006 diff hist +228 N File:Calculating machines 12.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3911:39, 19 November 2006 diff hist +228 N File:Calculating machines 11.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3811:38, 19 November 2006 diff hist +228 N File:Calculating machines 10.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3811:38, 19 November 2006 diff hist +228 N File:Calculating machines 9.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3711:37, 19 November 2006 diff hist +228 N File:Calculating machines 8.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3711:37, 19 November 2006 diff hist +228 N File:Calculating machines 7.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3611:36, 19 November 2006 diff hist +228 N File:Calculating machines 6.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Diagram accompanying the explanation of Amsler's Planimeter. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:3411:34, 19 November 2006 diff hist +492 N File:Calculating machines 5.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: Planimeters are instruments for the determination by mechanical means of the area of any figure. A pointer, generally called the "tracer," is guided round the b
• 11:3311:33, 19 November 2006 diff hist +640 N File:Calculating machines 4.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: Slide rules are instruments for performing logarithmic calculations mechanically, and are extensively used, especially where only rough approximations are requi
• 11:3111:31, 19 November 2006 diff hist +301 N File:Calculating machines 3.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: The Steiger-Egli machine is a multiplication machine, of which fig. 3 gives a picture as it appears to the manipulator. {{PD-Britannica}} [[Category:Images fr
• 11:3011:30, 19 November 2006 diff hist +211 N File:Calculating machines 2.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Section of the "Brunsviga" addition machine. {{PD-Britannica}} Category:Images from Encyclopædia Britannica {{PD-Gutenberg}}
• 11:2911:29, 19 November 2006 diff hist +390 N File:Calculating machines 1.png Illustration from 1911 Encyclopædia Britannica, article CALCULATING MACHINES. Original text: Practically all calculating machines contain a "counting work," a series of "figure disks" consisting in the original form of horizontal circular disks (fig. 1)
• 11:2611:26, 19 November 2006 diff hist +69 File:Bridges 54.png No edit summary

17 November 2006

• 20:5920:59, 17 November 2006 diff hist +482 N File:Buoys 14.png Illustration from 1911 Encyclopædia Britannica, article BUOYS. Original text: The nun buoy (fig. 14) for indicating the position of an anchor after letting go, is secured to the crown of the anchor by a buoy rope. It is usually made of galvanized iron,
• 20:5820:58, 17 November 2006 diff hist +714 N File:Buoys 13.png Illustration from 1911 Encyclopædia Britannica, article BUOYS. Original text: The Courtenay whistling buoy (fig. 13) is actuated by the undulating movement of the waves. A hollow cylinder extends from the lower part of the buoy to still water below the
• 20:5620:56, 17 November 2006 diff hist +588 N File:Buoys 12.png Illustration from 1911 Encyclopædia Britannica, article BUOYS. Original text: In 1878 gas buoys, with fixed and occulting lights of 10-candle power, were introduced. In 1896 Mr T. Matthews, engineer-in-chief in the London Trinity Corporation, developed
• 20:5520:55, 17 November 2006 diff hist +215 File:Buoys 6.png No edit summary