1930s AvoDapter Portable Tester For A Single Four / Five Or Seven Pin Valve With AvoCoupler

This amazing little gadget is a 1930s AvoDapter Portable Tester For A Single Four / Five Or Seven Pin Valve With AvoCoupler

A wonderful piece of electronic history, it comes with its original box. Although it does appear to be in working condition, it is being is sold as a collectible only. 

The tester is in very good cosmetic condition with some surface scuffs and blemishes. The outer transit box is scuffed, discoloured and blemished with age.

• Acweeco: Automatic Coil Winder And Electrical Equipment Co. Ltd
• AVO Recommended that this tester was used in conjunction with an Universal Avometer for AC/DC measurements
• Manufacturing Date: 1930s
• Comprises Black/Brown Bakelite with a cream metal instruction panel on the rear
• Approximate case Size (W.H.D): 14.8 cm  x 9.0 cm x 12 cm 
• GB Patent No. 399193 filed in 1932 by Sidney H Rawlings (ACWEECO) 
• Made in England by The Automatic Coil Winder And Electrical Equipment Co. Ltd, Einder House, Douglas Street London S.W.1

Please click on the following link for more vintage tests, measures and meters