{"product_id":"lot-of-2-jewell-electrical-instruments-style-54-d-c-panel-meters-amps-milliamps","title":"Lot Of 2 Jewell Electrical Instruments Style 54 D.C. Panel Meters Amps\/Milliamps","description":"\u003cp\u003eLot Of 2 Jewell Electrical Instruments Style 54 D.C. Panel Meters Amps\/Milliamps\u003c\/p\u003e\u003cp\u003e2 Jewell Style 54 Panel Meters 1x 0-15 Milliamperes DC 1x 0-5 Amperes. Dating somewhere between the 1920s and 1930s.\u003c\/p\u003e\u003cp\u003e1x Jewell Electrical Instrument Company D.C. panel meter, specifically a Pattern No. 54 model. This meter measures direct current (D.C.) in milliamperes, with the scale running from 0 to 15 mA. \u003c\/p\u003e\u003cp\u003eDetails\u003c\/p\u003e\u003cp\u003eManufacturer: Jewell Electrical Instrument Company, an early precision instrument manufacturer based in Chicago, Illinois.\u003c\/p\u003e\u003cp\u003eMeasurement: Measures \"DIRECT CURRENT\" in \"MILLIAMPERES\".\u003c\/p\u003e\u003cp\u003eScale: The full-scale deflection is 15 milliamperes.\u003c\/p\u003e\u003cp\u003eEra: These meters are vintage instruments, primarily associated with the 1920s and early 1930s. Similar meters are often marked with a patent date of \"Oct. 26, '26\" (October 26, 1926). The company was acquired by Weston Electrical Instrument Corporation in 1931. \u003c\/p\u003e\u003cp\u003eThe \"Style 54\" or \"Pattern 54\" refers to the specific physical design of the meter case and dial layout, which came in various electrical measurement ranges (e.g., 0-6 volts, 0-200 mA, 0-500 mA). \u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e1x Vintage Jewell Pattern No. 54 direct current ammeter manufactured by the Jewell Electrical Instrument Company. The meter measures electrical current in amperes (amps) from 0 to 5, designed for use in various industrial, radio, or scientific applications of its era. \u003c\/div\u003e\n\u003cdiv\u003eProduct Details\u003c\/div\u003e\n\u003cdiv\u003eManufacturer: Jewell Electrical Instrument Co., an early precision instrument manufacturer based in Chicago, founded in 1899 and acquired by Weston in 1931.\u003c\/div\u003e\n\u003cdiv\u003eModel: Pattern No. 54.\u003c\/div\u003e\n\u003cdiv\u003eType: Analog panel meter for direct current (DC) measurements.\u003c\/div\u003e\n\u003cdiv\u003eRange: 0 to 5 Amperes.\u003c\/div\u003e\n\u003cdiv\u003eEra: These pattern 54 meters often feature patent dates around the mid-1920s, such as October 26, 1926.\u003c\/div\u003e\n\u003cdiv\u003eMaterial: It likely has a metal or bakelite case and a glass window.\u003c\/div\u003e\n\u003c\/div\u003e\u003cp\u003eSelling as pictured.\u003c\/p\u003e\u003cp\u003eMore than welcome to pick up at shop in Butler PA \u0026amp; save shipping.\u003c\/p\u003e\u003cp\u003e020226-JM5\u003c\/p\u003e","brand":"cyclewarehouse.online","offers":[{"title":"Default Title","offer_id":46560377569442,"sku":"020226-Style 54-Panel Meters","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/9824\/2861\/files\/img2026-02-02-12-36-26-835.jpg?v=1770056821","url":"https:\/\/cyclewarehouse.online\/products\/lot-of-2-jewell-electrical-instruments-style-54-d-c-panel-meters-amps-milliamps","provider":"cyclewarehouse.online","version":"1.0","type":"link"}