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Showing 4 results for the category: Scientific.

Unloved Antiques: Reproduction Victorian-Era Spyglasses (2/19/13)
barrowtelescope3The next item in this series of Unloved Antiques is something that causes big problems in the antique and collectibles … More >>


Shooting the Stars: There is an App for That (10/25/10)
blogmarkIIb Last May I went on the trip of a lifetime. The opportunity came about when friends asked me a … More >>


The Collector’s Minute: The Wimshurst Machine (3/16/10)
This Wimshurst Machine is an electrostatic device for generating high voltages developed between 1880 and 1883. This old looking reject from a science fiction/monster movie is in fact not the result of the mind of an … More >>


Thom Pattie Evaluates: Antique Telescope (11/19/08)
Worthologist Thom Pattie examines and evaluates an antique Carl Zeiss telescope at Treasures from the Attic, a fund raising event held at the Metz Middle School in Manassas, Virginia. Proceeds from the event support the Manassas Musuem. WorthPoint – Get the Most from your Antiques and Collectibles. More >>