Collection Dynamic dichroic light filter. Doug DeHaven May 6, 2020 Continue Reading Previous: Yankee screwdriverNext: 15,000 watts of high voltage arcs. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed. Related Projects Sperry Aviation Gyroscopic Indicator Collection Sperry Aviation Gyroscopic Indicator July 5, 2024 1930’s Torsion Balance pharmaceutical scale. Collection 1930’s Torsion Balance pharmaceutical scale. July 4, 2024 1940’s Badger’s Class A pressurized water fire extinguisher. Collection 1940’s Badger’s Class A pressurized water fire extinguisher. July 4, 2024
Doug DeHaven 
