Invoice issued to Banks by Jesse Ramsden, optician and instrumentmaker, 20 May 1788 (Series 81.01) - No. 0001

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Sir Joseph Banks, Bart.            London 20 May 1788
Bot. of P. Ramsden,
       Mathematical, Optical, & Philosophical
                        Instrument Maker
At the Golden Spectacles, opposite Sackville Street Piccadilly.

A Large Size Ballance for Weighing Hydrostatically
One Hundred Guineas                               £105.-.-