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Temperature measuring apparatus

Image Number 3 for United States Patent #4759895.

Thermocouple apparatus is disclosed, utilizing interlocked loops of dissimilar wire. Base means, spring mounted, are provided for tensioning the loops whereby their point of interlock, in compression, forms a non-metallurgically bonded thermocouple junction. The end of each loop opposite its interlocked end is electrically connected by similar-metal means to a meter unit.

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