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Lacquer inlaid with mother of pearl was especially a technique used on furniture.
The first craftsman I worked for as an apprentice held Starrett precision measuring tools in great esteem, as did my father who used them exclusively in his capacity as a production line inspector during WWII.
The following pictures of vintage and antique woodworking planes present graphic view of some of the subtle differences that occur in antique tools that affect values and create a price range from a few dollars to many hundreds of dollars for a given antique tool or plane.
They may all look the same upon first glance or to the casual observer but that is not what antique collectible tools and their values are all about.
Thanks to the laboratory's modern equipment, a painting can be subjected to analysis using infrared reflectography, Wood's light, a stereoscopic microscope, IR spectroscopy and other instrumental techniques.3 e 4 - Microscopic analysis to examine the signs of ageing in the paint layer: the nature of the craquelure (natural or artificial - deep or superficial), the pigments (crystallinity, purity and size), restoration and other factors.
Wood's light and monochromatic lights permit an evaluation of the extent to which the painting has been restored, touched up and overpainted, as well as the identification of various fluorescent substances.7, 8 e 9 - Infrared reflectography permits an in-depth examination of the painting bringing to light underdrawings or grids, pentimenti, the depth of the craquelure, and identification of restoration work or the use of different materials.