The Microscope Made Easy: Or, I. The Nature, Uses, and Magnifying Powers of the Best Kinds of Microscopes Described, Calculated, and Explained: for the Instruction of Such, Particularly, as Desire to Search Into the Wonders of the Minute Creation, Tho' They are Not Acquainted with Optics. Together with Full Directions how to Prepare, Apply, Examine, and Preserve All Sorts of Objects, and Proper Cautions to be Observed in Viewing Them. II. An Account of what Surprizing Discoveries Have Been Already Made by the Microscope: with Useful Reflections on Them. And Also a Great Variety of New Experiments and Observations, Pointing Out Many Uncommon Subjects for the Examination of the Curious |
Contents
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Common terms and phrases
alfo almoſt alſo Animalcules Animals appear Arteries Bignefs Blood Body Brafs Braſs CHAP Colour confequently convex convex Lens Creatures curious defcribed Diameter difcerned diſcover Diſtance diſtinguiſh Eggs examine faften faid fame fays feem feen ferve feven feveral fhall fhew fhewn fhort fhould fince fingle firft firſt Fiſh Fleas Fluid fmall fmaller fome fometimes fomewhat foon ftanding fuch fuppofed furprizing fwim Glaffes Glafs Glaſs Globules Grain of Sand greateſt Hairs Horns hundred Ibid iffuing Inch Increaſe Infects Inftrument itſelf Kinds LEEUWENHOEK lefs Lens likewife Magnifier Manner Micro Microſcope minute Mites moft moſt Motion muft muſt naked Eye Numb Number obferved Object occafion opake paffing Particles Philofoph Plate Pleaſure poffible Polype prefent Purpoſe Reaſon reſembling round Salts Seeds ſeen Semen Skin Sliders ſmall Sting Tail Talcs thefe themſelves theſe thofe thoſe thouſand tranfparent Tube uſe Veffels Veins Vide Water whereof whofe
Popular passages
Page 294 - ... in all the visible corporeal world, we see no chasms or gaps. All quite down from us the descent is by easy steps, and a continued series of things, that in each remove differ very little one from the other. There are fishes that have wings, and are not strangers to the airy...
Page 294 - That there should be more species of intelligent creatures above us than there are of sensible and material below us, is probable to me from hence, that in all the visible corporeal world, we see no chasms, or gaps.
Page 292 - It is wonderful to observe, by what a gradual progress the world of life advances through a prodigious variety of species, before a creature is formed that is complete in all its senses; and even among these there is such a different degree of perfection...
Page 288 - Nothing is more pleasant to the fancy, than to enlarge it self by degrees in its contemplation of the various proportions which its several objects bear to each other, when it compares the body of man to the bulk of the whole earth, the earth to the circle it describes...
Page 294 - There are animals so near of kin both to birds and beasts, that they are in the middle between both : amphibious animals link...
Page 293 - If the scale of being rises by such a regular progress so high as man, we may, by a parity of reason, suppose that it still proceeds gradually through those beings which are of a superior nature to him ; since there is an infinitely greater space and room for different degrees of perfection between the Supreme Being and man, than between man and the most despicable insect. This consequence of so great a variety of beings which are superior to us, from that variety which is inferior to us, is made...
Page 293 - ... the same manner imperceptibly one above another, and receiving additional improvements, according to the species in which they are implanted. This progress in nature is so very gradual, that the most perfect of an inferior species comes very near to the most imperfect of that which is immediately above it.
Page 295 - ... which, if it be probable, we have reason then to be persuaded, that there are far more species of creatures above us, than there are beneath ; we being in degrees of perfection much more remote from the infinite Being of God, than we are from the lowest state of Being, and that which approaches nearest to nothing. And yet of all those distinct species, we have no clear distinct ideas.
Page 287 - ... or to compare in his thoughts a length of a thousand diameters of the earth, with that of a million, and he will quickly find that he has no different measures in his mind adjusted to such extraordinary degrees of grandeur or minuteness.
Page 293 - ... one over another, by such a gentle and easy ascent, that the little transitions and deviations from one species to another are almost insensible.