Sciences and Techniques

Blanchard at the Conquest of Space 4 Replies

The conquest of space and the related rapid advances in technology have aroused passions. No no, I do not speak astronautics! They were balloons. The great invention of de Montgolfier brothers dat...

Tagged: Blanchard

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Oct 30.

One Half of a Tyrannosaurus 6 Replies

There are many similarities between the Tyrannosaurus and ourselves: the standing attitude, the big head, the nice smile, the quest for power. Known as Rex, there was no sharing in its territory. T...

Tagged: Tyrannosaurus

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Oct 4.

Made under the Philippine Sea 2 Replies

EGL USA had never seen so large a specimen. This natural pearl is weighing 2.267 Kg. Indeed, this laboratory is a leading expert of gemology, well-equipped with microscope, digital radiography and ...

Tagged: pearl

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Sep 14.

We did not go to the Moon for Fun 2 Replies

On July 16 in New York, Bonhams celebrates the fortieth anniversary of Apollo 11 through an auction devoted to space exploration. The progression within the missions of the Apollo project was the ...

Tagged: Apollo

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Jul 17.

The Eye of the Ichthyosaurus 3 Replies

The differentiation of animal species is activated by the mechanism of genic mutation, and lasts for several hundreds of millions of years. Most mutations are lethal, but some allow the development...

Tagged: Ichthyosaurus

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Apr 8.

A US weather vane 1 Reply

The news was forwarded to me by one of my Google search engines, which endeavoured to find a local website of Virginia, inRich.com, meaning "in Richmond." In January, during the traditional week o...

Tagged: weathervane

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Jan 25.

Skeletons Considered as Artworks 3 Replies

On 16 April 2007, Christie's Paris introduced the fossil skeletons of large animals in the category of Fine Arts. The announcement made before the sale clearly expressed such an intent from the auc...

Tagged: dinosaur, prehistoric

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Jan 20.

The Lizard in Amber 2 Replies

Amber is the result of vitrification of the sap of trees. This transparent material, of golden or brown color, is unalterable. Some pieces of amber include insects. In antiquity, for this reason, a...

Tagged: amber, prehistoric

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Jan 20.

The Scrimshaw of the Pirate Woman 1 Reply

In my previews of last year, I had included a whale tooth scrimshaw, which was sold $ 100K inclusive by Sotheby's in New York on September 26 from a low estimate of $ 40K. It had been engraved at s...

Tagged: scrimshaw

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Jan 18.

An art work from 6 billion years ago 2 Replies

The fate of asteroids changed abruptly when the solar system came to settle in their empty environment, between 5.5 and 6 billion years ago. In this clash, objects of various shapes and sizes were ...

Tagged: meteorite

Started by Pierre Tavlitzki. Last reply by Dr. Krishna Kumari Challa Dec. 28, 2008.

Practical Astronomy between Copernicus and Kepler 2 Replies

The astrolabe, an instrument developed by Islam, was used to know the time by measuring the position of the sun (during the day) or of a major star (at night) over the horizon. It is a disc graduat...

Tagged: Augsburg, compendium

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Dec. 27, 2008.

2009 Auctions

AUCTION HOUSES referred below : Bonhams Site Press Christie's Site Press Doyle Site Heritage Auction Galleries Site Press Philip Weiss Site News Sotheby's Site Press WestLicht Site PAST SALES Do...

Started by Pierre Tavlitzki Dec. 25, 2008.

2008 Auction History

All Results in BOLD On Dec. 7 and 8 in Los Angeles, Bonhams and Butterfield sells two gold crystals respectively for 125 K $ (Lot 1299) and 100 K$ (Lot 1298). (UNSOLD) Chance of culture: I just d...

Started by Pierre Tavlitzki Dec. 24, 2008.

California Gold 1 Reply

Is gold is so rare a mineral? Yes of course, since those who found it have always considered its monetary value, and they melted it. On Dec. 7 and 8 in Los Angeles, Bonhams and Butterfields sell t...

Tagged: gold

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Dec. 9, 2008.

A book made of silk 1 Reply

The city of Lyons (Lyon) is known for being the capital of silk in France. Lot 1495 from the sale of Reiss & Sohn in Königstein on 28 and 29 October is not unique, but it is of great rarity, an...

Tagged: silk

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Oct. 30, 2008.

The Lady of the Magnolias 1 Reply

On October 4, Artcurial will disperse on the field at Pouancé near Angers, France, nearly 210 lots of collectible trees and shrubs. I have already seen sales of bonzaïs at Drouot (Paris), I have al...

Tagged: shrub, tree

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Oct. 7, 2008.

At work, Hercules ! 1 Reply

This steam locomotive was named Hercules. By 1840, one of these projects of railways so new on British land was to link Birmingham to Bristol, despite the difficulties accounted for the slopes to c...

Tagged: locomotive

Started by Pierre Tavlitzki. Last reply by Pierre Tavlitzki Jul. 19, 2008.