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Image of TOOL INSTRUMENT No256 GPO TOOL, 1933

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TOOL INSTRUMENT No256 GPO TOOL, 1933

Unknown device used by the GPO.
The cabinet label reads:- Tool instrument No256 Tester for Tools Instrument
No's 183A and 183B INSTRUCTIONS FOR USE.
1. Place the tool to be tested on the stand with the graduations underneath. 2. Fix the special notched extension lever in the tool with the notches uppermost. 3. For testing the Tool Instrument No 183A, place the small weight in each of the 3 notches in turn and adjust the knurled nut on the tool until balance is obtained. The reading on the Tool for the 3 positions of the weight should be 20, 40 and 60 grammes respectively.
4. For testing the Tool Instrument No 183B use the large weight in a similar manner. The readings on the tool for the 3 positions of the weight should be 70, 130 and 299 grammes respectively. ( See Technical Instruction Tools and Transport (Hand Tools) B. 5101.)

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A1567

Image of A MEDICAL INSTRUMENT?

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A MEDICAL INSTRUMENT?

The object is about 1 foot (30 cms) long. The tube has space for a number of batteries and has a mechanism at the 'spatula' end presumably for stimulating the spatula in some way.

It looks like the object has a medical purpose, but exactly what?

Bruce Hammond Collection

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