| Widex Model 661-X (Model 45 "Corona" USA) Transistor (Body) Hearing AidThe Widex Model 661-X transistor (body) hearing aid was made by  Toepholm & Westermann A/S of Copenhagen, Denmark and sold under the 
		trade name of Widex. It was distributed in the USA by the Widex Hearing 
		Aid Co., Inc. Widex used two model number series. In most of the world, this 
		hearing aid was called the Model 661-X. However, in the USA, the Model 
		661-X was sold as the Model 45 "Corona". The Widex Model 661-X used 8 transistors and was manufactured in 1966. It measured 2⅜" x 1 7/16" x 5/16" (6.0 x 3.6 x 0.8 cm) and weighed 1.0 
		oz. (29 g) without battery.   | 
			
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		| Front view of the Widex Model 661-X transistor hearing aid showing the 
		crown-shaped microphone grill and the wire pocket clip. Near the 
		bottom center on the battery compartment cover is stamped the 
		manufacturer's location "Denmark". On the other side is stamped "Widex 
		X". Since the battery compartment cover fits either way, sometimes the 
		"Denmark" is shown on the front, whereas, it really should be on the 
		back and the "Widex X" showing to the front.  | 
			
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		| Rear view of the Widex Model 661-X transistor hearing aid showing the 
		O-M-T legend for the on-off/microphone/t-coil switch (top left corner) 
		and the H (high-frequency emphasis), N (normal) and L (low-frequency 
		emphasis) tone switch (near bottom center). Stamped on the battery 
		compartment cover is "Widex X".
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		| Top view of the Widex Model 661-X transistor hearing aid showing 
		the 1-9 volume control (left), the microphone grill (center) and  
		the on/off, microphone and t-coil switch (right) shown in the off position. 
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		| Bottom view of the Widex Model 661-X transistor hearing aid showing 
		how the battery compartment simply pulled off the bottom of the hearing 
		aid.   
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		| View of the inside of the battery compartment of the Widex Model 661-X transistor hearing aid showing 
		the make (Widex), the model number (661-X), the country where made 
		(Denmark) and the serial number (572134). The 1.4 volt mercury 
		"N"-sized (or number 401) battery, such as the
		
		Duracell RM-401H mercury battery, went with the positive terminal 
		to the right.
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		| Right side view of the Widex Model 661-X transistor hearing aid showing 
		the two-pin receiver cord jack (center).     | 
			
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		| View of the receiver and receiver cord of the Widex Model 661-X 
		transistor hearing aid. A hard plastic ear mold (not shown) snaps onto 
		the nubbin in the center of the receiver. The receiver cord plugged 
		into the jack in the above picture. 
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		| View of the Widex Model 661-X transistor hearing aid in its 
		original case.       | 
			
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		| View of the outside of the attractive imitation alligator-skin case of the Widex Model 661-X transistor 
		hearing aid.         | 
			
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