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sheets from each othcr a great number of beautiful sparks areseen breaking out between the paper.

3. An excited sheet held over the hcad makes the hairstand on end.

4. The disc of the common electrophor placed upon anexcited sheet, lying upon the naked table, yields sparks ofsomeinches in length.

5. A couple of sheets being lively rubbed develop a strongodour of ozone.

6. The electricity developed by my paper is the nega-tive one.

The facts stated render it almost certain that out ofmy paper powerful electrical machines raay be construeted,which will perhaps replace the plate arrangements. I shallsoon have a paper machine. I need hard[l]3 T say that thetransparent substance is still morc electrical than the preparedpaper.

Before I conclude I must offer you my grateful thanksfor the kindness with which you put nie in communicationwith Mr. Dickenson. Before entering into any negociationwith Ihm, I will wait a little longcr for other offers, for it seemsto me that he has not quite fully appreciated the qualities ofmy paper.

Don't you think the Bank would like to have their notesmade of that paper? From the speeimens of what we callsilkpaper laid by, you will see how much the prepared bitsurpasses in strength and impermeability the common one.I inclose also a speeimen of paper having been very slightlyprepared and being distinguished by its beautiful play of colour.Perhaps some use may be made of it.

I am overcurious to learn morc particulars regarding yourinvestigations and it is indeed a great pity that the regulationsof the Royal Society cause such a delay in Publishing scientificresults communicated to that body.

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