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of lights: all delusions and deceits of the sight, in figures, magnitudes, motions, colours; all demonstrations of shadows. We find also divers means yet unknown to you producing of light, originally from divers bodies. We procure means of seeing objects afar off; as in the heavens and remote places ; and represent things near as far off; and things far off as near; making feigned distances. We have also helps for the sight, farabove spectacles and glasses in use. We have also glasses and means, to see small and minute bodies, perfectly and distinctly; as the shapes and colours of small flies and worms, grains and flaws in gems, which cannot otherwise be seen; observations in urine and blood, not otherwise to be seen. We make artificial rain-bows, halos, and circles about light. We represent also all manner of reflections, refractions and multiplications of visual beams of objects.

We have also precious stones of all kinds, many of them of great beauty, and to you unknown; crystals likewise; and glasses of divers kinds; and amongst them some of metals vitrificated, and other materials, besides those of which you make glass, Also a number of fossils, and imperfect minerals, which you have not. Likewise load-stones of prow' digious virtue; and other rare stones, both natural and artificial.

We have also sound-houses, where we practise

and demonstrate all sounds, and their generation. We have harmonies which you have not, of quarter-sounds, and lesser slides of sounds. Divers instruments of music likewise to you unknown, and some sweeter than any you have; together with bells and rings that are dainty and sweet. We represent small sounds as great and deep: likewise great sounds, extenuate and sharp; we make divers tremblings and warblings of sounds, which in their original are entire. We represent and imitate all articulate sounds and letters, and the voices and notes of beasts and birds. We have certain helps, which set to the ear do further the hearing greatly. We have also divers strange and artificial echoes, reflecting the voice many times, and as it were tossing it: and some that give back the voice louder than it came, some shriller, and some deeper ; yea, some rendering the voice, differing in the letters or articulate sound, from that they receive. We have also means to convey sounds in trunks and pipes, in strange lines and distances.

We have also perfume houses, wherewith we join also practices of taste. We multiply smells, which may seem strange. We imitate smells, making all smells to breathe out of other mixtures than those that give them. We make divers imitations of taste likewise, so that they will deceive any man's taste. And in this house we contain


also a comfiture house ; where we make all sweet

: meats, dry and moist; and divers pleasant wines, milks, broths, and sallads, far in greater variety than you

have. We have also engine-houses, where are prepared engines and instruments for all sorts of motions. There we imitate and practice to make swifter motions than any you have, either out of your muskets, or any engine that you have; and to make them and multiply them more easily, and with small force, by wheels, and other means : and to make them stronger and more violent than yours are; exceeding your greatest cannons and basilisks. We represent also ordnance and instruments of war, and engines of all kinds: and likewise new mixtures and compositions of gunpowper, wild-fires burning in water and unquenchable. Also fire-works of all variety both for plea. sure and use. We imitate also flights of birds; we have some degrees of flying in the air; we have ships and boats for going under water, and brooking of seas ; also swimming-girdles and supporters. We have divers curious clocks, and other like motions of return, and some perpetual motions: we imitate also motions of living creatures, by images of men, beasts, birds, fishes, and serpents; we have also a great number of other various motions, strange for equality, fineness, and subtilty.


We have also a mathematical house, where are represented all instruments, as well of geometry as astronomy, exquisitely made.

We have also houses of deceits of the senses ; where we represent all manner of feats of juggling, false apparitions, impostures, and illusions; and their fallacies. And surely you will easily believe, that we that have so many things truly natural, which induce admiration, could in a world of particulars deceive the senses, if we would disguise those things, and labour to make them seem more miraculous. But we do hate all impostures and lyes; insomuch as we have severely forbidden it to all our fellows, under pain of ignominy and fines, that they do not shew any natural work or thing, adorned or swelling; but only pure as it is, and without all affectation of strangeness.

These are (my son) the riches of Solomon's house.

For the several employments and offices of our fellows: we have twelve that sail into foreign countries, under the names of other nations, (for our own we conceal;) who bring us the books, and abstracts, and patterns of experiments of all other parts. These we call merchants of light.

We have three that collect the experiments which are in all books; these we call depredators.

We have three that collect the experiments of


all mechanical arts; and also of liberal sciences; and also of practices which are not brought into arts. These we call mystery men.

We have three that try new experiments. Such as themselves think good. These we call pioneers or miners.

We have three that draw the experiments of the former four into titles and tables, to give the better light for the drawing of observations and axioms out of them. These we call compilers.

We have three that bend themselves, looking into the experiments of their fellows, and cast about how to draw out of them things of use and practice for man's life and knowledge, as well for works, as for plain demonstration of causes, means of natural divinations, and the easy and clear discovery of the virtues and parts of bodies. These we call dowry-men or benefactors.

Then after divers meetings and consults of our whole number, to consider of the former labours and collections, we have three that take care, out of them, to direct new experiments, of a higher light, more penetrating into nature than the former. These we call lamps.

We have three others that do execute the experiments so directed, and report them. These we call inoculators. 1. Lastly, we have three that raise the former dis

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