The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects |
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... IMPROVED EDUCATIONAL MICROSCOPE , with 3 Superior Achromatic
Powers and Apparatus , in lahogany Caso 2880 The IMPROVED STUDENT ' S
NICROSCOPE , with new Concentric Stage , having Motions in opposite
directions .
... IMPROVED EDUCATIONAL MICROSCOPE , with 3 Superior Achromatic
Powers and Apparatus , in lahogany Caso 2880 The IMPROVED STUDENT ' S
NICROSCOPE , with new Concentric Stage , having Motions in opposite
directions .
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... recognise the various grasses . ' FERNS , BRITISH AND FOREIGN . Their
History , Organography , Classification , Nomenclature , and Culture , with
directions showing which are the best adapted for the Hothouse , Groenhouse ,
Open - Air ...
... recognise the various grasses . ' FERNS , BRITISH AND FOREIGN . Their
History , Organography , Classification , Nomenclature , and Culture , with
directions showing which are the best adapted for the Hothouse , Groenhouse ,
Open - Air ...
Página 2
Mr . Darwin , Mr . Wallace , and Mr . Bates advocate the former view , maintaining
that the resemblance is brought about by exceedingly slow gradations , each
small variation in the direction of the species ultimately mimicked being ...
Mr . Darwin , Mr . Wallace , and Mr . Bates advocate the former view , maintaining
that the resemblance is brought about by exceedingly slow gradations , each
small variation in the direction of the species ultimately mimicked being ...
Página 24
... we may now consider to have been established by Sir James Hall ' s
experiments and reflections are these : That strata originally horizontal have
been curved and folded ; and that the disturbing force has acted in a horizontal
direction .
... we may now consider to have been established by Sir James Hall ' s
experiments and reflections are these : That strata originally horizontal have
been curved and folded ; and that the disturbing force has acted in a horizontal
direction .
Página 29
Instances of pebbles elongated in the direction of planes of cleavage occur at
Llyn Padarn , near Llanberis , in the Lake District and elsewhere . But the most
remarkable cases of alteration of figure effected by pressure are those described
by ...
Instances of pebbles elongated in the direction of planes of cleavage occur at
Llyn Padarn , near Llanberis , in the Lake District and elsewhere . But the most
remarkable cases of alteration of figure effected by pressure are those described
by ...
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Pasajes populares
Página 175 - It is almost impossible to enumerate all the symptoms of this first invader upon the constitution, as in a hundred cases of Indigestion there will probably be something peculiar to each; but be they what they may, they are all occasioned by the food becoming a burden rather than a support to the stomach ; and in all its stages the medicine most wanted is that...
Página 238 - Observer' at a salary of 100£ per annum, his duty being 'forthwith to apply himself with the most exact care and diligence to the rectifying the tables of the motions of the heavens and the places of the fixed stars, so as to find out the so much desired longitude of places for the perfecting the art of navigation.
Página 316 - ... by a peculiar process accidentally discovered, and known only to the proprietor, and which he firmly believes to be one of the most valuable modern discoveries in medicine, by which all the essential and extractive matter of more than an ounce of the flowers is concentrated in four moderate-sized pills. Experience has afforded the most ample proof that they possess all the fine aromatic and stomachic properties for which the herb has been esteemed ; and, as they are taken into the stomach unencumbered...
Página 317 - ... to the taste, and unable to name one individual article of food which disagrees with or sits unpleasantly on the stomach. Never forget that a small meal well digested affords more nourishment to the system than a large one, even of the same food, when digested imperfectly. Let the...
Página 317 - Pills should be immediately taken, as they will stop and eradicate disease at its commencement. Indeed, it is most confidently asserted, that by the timely use of this medicine only, and a common degree of caution, any person may enjoy all the...
Página 328 - PATENT LEVER, fitting with so much ease and closeness that it cannot be detected, and may be worn during sleep. A descriptive circular may be had, and the Truss (which cannot fail to fit) forwarded by post, on the circumference of the body (two inches below the hips) being sent to the Manufacturer, Mr.
Página 317 - ... mixing them well, and blending the whole together before they are swallowed ; and it is particularly urged upon all to take plenty of time to their meals and never eat in haste. If you conform to this short and simple, but comprehensive advice, and find that there are various things which...
Página 316 - ... been placed the very first in rank of all restorative medicines is, that in taking it the stomach has always been loaded with water which tends in a great measure to counteract, and very frequently wholly to destroy the effect. It must be evident that loading a weak stomach with a large quantity of water, merely for the purpose of conveying into it a small quantity of medicine, must be injurious; and that the medicine must possess powerful renovating properties only to counteract the bad effects...