Review of Tinsley 5685A high stability resistance standards
Created: 31 December 2022 Tests and experiments with oil-filled AC/DC standard resistance standards from Tinsley, UK.
Project P3459, building high-end DMM by using scrap 3458A parts
Created: 29 December 2022 Building a fully working 3458A out of rejected scrap parts? Experimental DMM project.
RF paperweight from HP
Created: 16 December 2022 Good old HP bit of RF kit.