Philips - 3E93732 Audio testing equipment - Multiple models

Extremely Rare Philips Industrial Testing Equipment & Lab Power Supply (1955 & 1962) – Internal Factory Use (E.B.M. / H.I.G.A.) Description: For the true collector of vintage electronics and industrial history: a unique, museum-grade set of two analog Philips test and measurement instruments. These devices were never sold commercially in stores. They carry the rare "3E" type coding, meaning they were specially designed and built in the 1950s and 1960s by and for the internal technical services of the Philips factories in Eindhoven. The engravings E.B.M. (Elektrische Bedrijfs Mechanisatie) and H.I.G.A. (Hoofd Industrie Groep Apparaten/Audio) confirm that these instruments were used on Philips’ own production floor or test laboratories for quality control (including for electron tubes/radiolamps). Object 1: Universal Lab Power Supply / Tube Test Device • Manufacturer: Philips (Eindhoven, Netherlands) • Type: 3E93000 • Serial Number: 725 • Year of Production: February 1955 (Stamped: DAT. 2-55) • Features: Analog meter for Volts and mA/A, large manual rate controls for voltage, mains switch with built-in 1A fuse. Featuring the historical Dutch front-panel instruction: "If lamp burns: Voltage ⤗". • Weight: approx. [Fill in exact weight here, e.g. 9.5] kg Object 2: Analog Precision Resistance Meter / Ohmmeter • Manufacturer: Philips (Eindhoven, Netherlands) • Type: 3E93732 / 1 • Serial Number: 128 • Year of Production: March 1962 (Stamped: DAT. 3-62) • Features: Large, very clear analog scale in kΩ (kilo-ohms). Equipped with a robust ON/OFF toggle switch, banana plug inputs (Bu 1 / Bu 2) and multiplier/range selectors (x100, x1000). The right side has some damage to a knob. Fast and careful shipping!!

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