The Early Modern Commons

Search Results for "copper"

Showing 1 - 20 of 107

Your search for posts with tags containing copper found 107 posts

ARCHiOx: research and development in imaging

A photo-essay by the Bodleian’s Senior Photographer and ARCHiOx Technical Lead for the Bodleian, John Barrett   From plate to print: Left to right, albedo, normal map, depth map, shaded render, composite and original print. A copper plate portrait...
From: The Conveyor on 13 May 2022

Aventurine Glass

 Small amphora in aventurine glass,Murano, Salviati.With all its glitz and sparkle, aventurine (avventurina) stands out as a flamboyant extrovert among the varieties of glass. Developed and perfected on the Venetian island of Murano, also known as...
From: Conciatore on 15 Jan 2021

Reflections on the Mirror

 Jan van EyckThe Arnolfini Portrait (1434)L’Arte Vetraria, Antonio Neri's 1612 book, would eventually become the glassmakers' bible throughout Europe. By 1900 it had been translated into five different languages besides the original Italian;...
From: Conciatore on 8 Jan 2021

Emerald Green Glass

 Jesus' entry into Jerusalem, walking on palm leaves. Pietro Lorenzetti 1320For Western Christians, Easter week begins with "Palm Sunday," a feast day that falls on the Sunday before Easter and celebrates Jesus' entry into Jerusalem. His...
From: Conciatore on 1 Jan 2021

Golden Yellow Glass

Yellow Neon Chandelier, 1995Dale Chihuly.(Columbus, Indiana Visitors Center). "Very few people know how to make colors like golden yellow and solid red well. These are difficult and troublesome in the art of glassmaking, since in making them you...
From: Conciatore on 28 Dec 2020

Witches Brew of Glass

 Glass pumpkin evocative of chalcedony glassCourtesy of  Smithsonian Museum store.In honor of Halloween, we will take a detailed look at chalcedony glass; this is one of, if not the most colorful types of glass ever made. In the seventeenth...
From: Conciatore on 30 Oct 2020

Fire, Brimstone and Glass

 The Alchemical Symbol for SulfurBright yellow elemental sulfur or “brimstone” as it was often called, occupied a central place in the cabinets of seventeenth century alchemists. Antonio Neri used it in many of his preparations and specifically...
From: Conciatore on 16 Oct 2020

Vitriol of Venus

 Crystals of Copper Sulfate Pentahydrate(Vitriol of Venus)Vitriol of Venus was one of the most cherished items in Antonio Neri’s chemical library. In his book, L'Arte Vetraria, he describes its effect in glass this way:To your great contentment,...
From: Conciatore on 12 Oct 2020

1600s Glass Furnace

 From "De re metallica" Agricola (Georg Bauer) 1556.In the seventeenth century, glass furnaces represented a pinnacle of technology. True, the ability to achieve the high temperatures required to melt glass had been around for centuries –...
From: Conciatore on 7 Sep 2020

Aventurine Glass

Small amphora in aventurine glass,Murano, Salviati.With all its glitz and sparkle, aventurine (avventurina) stands out as a flamboyant extrovert among the varieties of glass. Developed and perfected on the Venetian island of Murano, also known as 'goldstone',...
From: Conciatore on 10 Aug 2020

Rosichiero Glass

Sunset over Venice(click image to enlarge)The most famous glass recipe in Antonio Neri’s 1612 book, L'Arte Vetraria, is “#129 Transparent Red.” The reason for its notoriety is, of course, the pure gold used as a pigment. Gold-ruby,...
From: Conciatore on 29 Jul 2020

Reflections on the Mirror

Jan van EyckThe Arnolfini Portrait (1434)L’Arte Vetraria, Antonio Neri's 1612 book, would eventually become the glassmakers' bible throughout Europe. By 1900 it had been translated into five different languages besides the original Italian; English,...
From: Conciatore on 8 Jun 2020

Glass, Fire, and Brimstone

The Alchemical Symbol for SulfurBright yellow elemental sulfur or “brimstone” as it was often called, occupied a central place in the cabinets of seventeenth century alchemists. Antonio Neri used it in many of his preparations and specifically...
From: Conciatore on 24 Apr 2020

Vitriol of Venus

Crystals of Copper Sulfate Pentahydrate(Vitriol of Venus)Vitriol of Venus was one of the most cherished items in Antonio Neri’s chemical library. In his book, L'Arte Vetraria, he describes its effect in glass this way:To your great contentment,...
From: Conciatore on 20 Apr 2020

Carying the Palm

Jesus' entry into Jerusalem, walking on palm leaves. Pietro Lorenzetti 1320For Western Christians, this week began with "Palm Sunday," a feast day that falls on the Sunday before Easter and celebrates Jesus' entry into Jerusalem. His procession...
From: Conciatore on 10 Apr 2020

Early Modern Glass Furnace

From "De re metallica" Agricola (Georg Bauer) 1556.In the seventeenth century, glass furnaces represented a pinnacle of technology. True, the ability to achieve the high temperatures required to melt glass had been around for centuries – high...
From: Conciatore on 26 Feb 2020

Golden Yellow Glass

Yellow Neon Chandelier, 1995Dale Chihuly.(Columbus, Indiana Visitors Center). "Very few people know how to make colors like golden yellow and solid red well. These are difficult and troublesome in the art of glassmaking, since in making them you...
From: Conciatore on 17 Feb 2020

Fire, Brimstone, and Glass

The Alchemical Symbol for SulfurBright yellow elemental sulfur or “brimstone” as it was often called, occupied a central place in the cabinets of seventeenth century alchemists. Antonio Neri used it in many of his preparations and specifically...
From: Conciatore on 13 Dec 2019

Vitriol of Venus

Crystals of Copper Sulfate Pentahydrate(Vitriol of Venus)Vitriol of Venus was one of the most cherished items in Antonio Neri’s chemical library. In his book, L'Arte Vetraria, he describes its effect in glass this way:To your great contentment,...
From: Conciatore on 9 Dec 2019

Witch's Brew of Glass

Glass pumpkin evocative of chalcedony glassCourtesy of  Smithsonian Museum store.In honor of Halloween, we will take a detailed look at chalcedony glass; this is one of, if not the most colorful types of glass ever made. In the seventeenth century,...
From: Conciatore on 30 Oct 2019

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Caveats and Work in Progress

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If EMC doesn't find any <category> tags for a post in the RSS feed it is classified as uncategorized. These and any <category> 'uncategorized' from the feed are omitted from search results. (It should always be borne in mind that some bloggers never use any kind of category or tag at all.)

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The search is at present quite basic and limited. I plan to add a number of more sophisticated features in the future including the ability to filter by blog tags and by dates. I may also introduce RSS feeds for search queries at some point.

Constructing Search Query URLs

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This is the basic structure:

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For example, the URL for a simple search for categories containing London:

http://emc.historycarnival.org/searchcat?s=london

The URL for a search for the exact category Gunpowder Plot:

http://emc.historycarnival.org/searchcat?s=Gunpowder%20Plot&exact=on

In this more complex URL, %20 is the URL encoding for a space between words and &exact=on adds the exact category requirement.

I'll do my best to ensure that the basic URL construction (searchcat?s=...) is stable and persistent as long as the site is around.