Micrographia illustrata, or, the knowledge of the microscope explain'd: together with an account of a new invented universal, single or double microscope, either of which is capable of being applied to an improv'd solar apparatus ... ; To which is added, a translation of Mr. Joblott's observations on the animalcula, that are found in many different sorts of infusions; and a very particular account of that surprising phænomenon, the fresh water polype, translated from the French treatise of Mr. Trembley ... / By George Adams.

George Sr. Adams

Date:: 1747

Credit: Micrographia illustrata, or, the knowledge of the microscope explain'd: together with an account of a new invented universal, single or double microscope, either of which is capable of being applied to an improv'd solar apparatus ... ; To which is added, a translation of Mr. Joblott's observations on the animalcula, that are found in many different sorts of infusions; and a very particular account of that surprising phænomenon, the fresh water polype, translated from the French treatise of Mr. Trembley ... / By George Adams. Source: Wellcome Collection.

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$Box, or feparate if he pleafes, at my Shop, the Sign of!Tycho Brake's Head, die Corner of Racquet-Court, in Fleet-Street, London. Having defcribed the new invented Univerfal Portable Microfcope, toge¬ ther with its Application to the folar Apparatus; and the otherSorts which are moll in Ufe amongft us : By which the Reader will be able to deter¬ mine how much eafier it is in all its Applications than any, nay all of them taken together are, and have alio (hewn how to calculate their magnifying Powers, and how to prepare and preferve Objedls: I fhall next proceed to fhew what wonderful and furprizing Difcoveries have been made by the Microfcope. In the Procefs of which, I fhall not only prefent the Reader widi a Variety of Copper Cuts, of mod of the minute In feds and Animal¬ cules that have been obferved by Mr. Hook, Mr. Leeuwenhoek, Mr. Joblott mylelf, and others, but alfo fhew how to apply either the whole, or the fe* veral Parts thereof to the Microfcope. In doing of which 1 have fpared neither Cod nor Pains to make the Work compleat. CHAP. XI. ♦ Of the Circulation of the Blood, and how to exa¬ mine it by the Microfcope. \ S E C T. I. ^ HIS noble Fluid, the. Blood, yields us the moft fiiblime Specula- - t'?ns imaginable, by the Afiiftance of the Microfcope. For by the Help °i it, human Blood, and that of Land Animals is found to confift of round red Globules, which float in a tranfparent Fluid, each of which is compos u of fix fm a Her, and more tranfparent ones, and each of thefe fas Mr' Leeuwenhoek has fliewn in his 128th Epiftle to the Royal Society) into fix mote mmute^and without Colour. He hath alfo fhewn us how eaf.ly fix “ ,™e Globules’ which are compreffible into any Shape, and in 'con- C U M°“on’ ff by ‘hiking again ft each other, compofe one lar-e G ootne of a perfeftly fpherical Figure, one of which and five of the fmab -rSort as they appear in Conrad, the fixth lying behind, is reprefented other .VC.1 ^ 1 r mutua‘-Vttra&ion to, and Preffure againft each A adinn in UT t0 ?rm!aPerfca]y round Body, as at Fig. 30. Their fi'eP S n n e3Cf °thy !S 10 conbderable, as to form a Kind of more thin K’ • f 'nt0 ,90nta£t; and their fpecifick * Gravity c LllJn Mein-rum m which they float. 1 compoTAPPr^P’ fnd aJfo the more minute ones of which they are P > oceafionally feparated, in order to pafs through extremely * Phil. TravJ. No. 361. minute$

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