Dim. ( W x H x D ) 5_1/2" x 6" x 3_3/8" / 14 cm x 15 cm x 8.5 cm Portable » DC VOLT METER « 150 V ( 16983 Ω ) / 300 V ( 33966 Ω ) ******************************************************************* made by JEWELL ELECTRICAL INSTRUMENT CO., Chicago / USA (1920) Historical Remark: ------------------ The JEWELL company was founded in the late 1800s and was bought by WESTON ELECTRICAL INSTRUMENTS Co. in 1928. It is perhaps linked to the company now called JEWELL INSTRUMENTS. R E M A R K S T O R E S T O R A T I O N : ------------------------------------------------------------------- The meter came with rattling glass and crumbled red glue pieces on its scale. Discovery after disassembling: (1st) Double-Glass with discolored & cracked cellophane in between; the inner glass broken. After removing all dirt, a frame of black card-board was made to seal the ( one ) cleaned glass and fixed with its original clamps. (2nd) A redish bakelit frame between the case-parts had detoriated rubber seals. After breaking away the rubbish, cotton threads were layed in and sucked with VASELINE to made it "weather-proof". The grip, treated with COACH » LEATHER MOISTURIZER « , got fine again. impressum: ******************************************************************* © C.HAMANN http://public.BHT-Berlin.de/hamann 05/20/13 |