Collection Tools Ballistic galvanometer Doug DeHaven April 23, 2020 DC moving coil, reflecting galvanometer, type P https://www2.humboldt.edu/scimus/HSTC.27-35/Descriptions/RefGalvB.htm?fbclid=IwAR2IPw7dKlxKN-FBwevDVcroX0LnhvG8B8yaHM-_ogRAwSIHoL0qV_vZTtc Continue Reading Previous: Weston Foot candle meterNext: Burroughs adding machine Leave a Reply Cancel replyYour email address will not be published.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 The Collection on the road! Collection The Collection on the road! March 15, 2025 B.K. Elliott surveyors Transit/ theodolite. Collection Projects B.K. Elliott surveyors Transit/ theodolite. December 12, 2024 1913 Victor Portable Stereopticon Collection 1913 Victor Portable Stereopticon November 29, 2024
Doug DeHaven 
