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Antique Questions Forum / Re: Help Identifying what may be a Nautical Instrument by WALKER

« on: February 25, 2016, 08:12:24 am »

Thank you MART & COGAR - your suggestion of how to use it seems logical and I'll have to give it a go. I've just Googled again with this in mind and still haven't found another example, so if anyone else can add anything, I'd still be interested.

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Antique Questions Forum / Help Identifying what may be a Nautical Instrument by WALKER

« on: February 23, 2016, 10:26:37 am »

Hi - I'm wondering if anyone can positively identify this brass instrument. It's marked WALKERS PATENT and as far as I can ascertain this relates to a Birmingham manufacturer Thomas Walker who made Ship's Logs (a means of measuring speed and distance travelled). This item looks like it might attach to something else but is in its own metal box - the tube appears to be a sight although has no optics in it. It also has a scale that probably shows angles, so I'm guessing it's either something similar to a sextant or possibly to do with obtaining an inclination for a gun??

I've spent ages on Google but just can't find anything quite like it, so would really like to know something about it but even some suggested avenues to explore would be great.

Thanks in advance.