Gill's technological [afterw.] Gill's scientific, technological & microscopic repository; or, Discoveries and improvements in the useful arts, a continuation of his Technical repository, by T. Gill, Volume 4 |
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Page 19
... becomes ripe and falls tó the ground . At this time the insect is generally prepared for its change , and works itself through the hole , which it is some time in doing , as it is much less in circumference than its body . It then ...
... becomes ripe and falls tó the ground . At this time the insect is generally prepared for its change , and works itself through the hole , which it is some time in doing , as it is much less in circumference than its body . It then ...
Page 38
... , and espe- cially that of M. Fauler , at Choisy - le - Roi , which is become * From the Dictionnaire Technologique , 1828 . the most important and celebrated , for the superiority of 38 On Morocco Leather - Dressing .
... , and espe- cially that of M. Fauler , at Choisy - le - Roi , which is become * From the Dictionnaire Technologique , 1828 . the most important and celebrated , for the superiority of 38 On Morocco Leather - Dressing .
Page 41
... become less energetic , and then to finish with those pits in which fresh lime has been put . It is also ne- cessary ... becomes necessary therefore to remove them into a weaker one . If , on the contrary , we find at the end of twelve ...
... become less energetic , and then to finish with those pits in which fresh lime has been put . It is also ne- cessary ... becomes necessary therefore to remove them into a weaker one . If , on the contrary , we find at the end of twelve ...
Page 45
... becomes less porous and more difficultly penetrated by the dye , and which con- sequently can be used with more profit . From a similar motive , each skin is folded double , and stitched along its edges , with its hair side outwards ...
... becomes less porous and more difficultly penetrated by the dye , and which con- sequently can be used with more profit . From a similar motive , each skin is folded double , and stitched along its edges , with its hair side outwards ...
Page 46
... becomes very probable that they also use kermes to dye their Morocco leather with . But we know that the Morocco ... become so scarce and dear , were we only to take the pains to make a few experiments on the me- thods of using it ...
... becomes very probable that they also use kermes to dye their Morocco leather with . But we know that the Morocco ... become so scarce and dear , were we only to take the pains to make a few experiments on the me- thods of using it ...
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Common terms and phrases
acetate affixed alcohol alum alumine ammonia animalcula apparatus appear barytes beautiful become bees body boiler Carpenter Chiana colour compound eyes contained copper cornea county of Middlesex covered crystals curious Dated Dec degree deposit dissected dissolve distillation drained dyeing Editor effect eggs employed evaporation extract exuvia eyes filtre flame furnace furnished ground heat hive improvements inches insects instruments iron larva larvæ lenses likewise lime liqueur liquid magnified manner manufacturers means microscopic objects Middlesex minute mixture mordant Morocco leather morphium muriate narcotine nitrate nitrate of silver nitric acid observed obtain opium oxide perfect piece placed plate possess potash precipitate prepared proboscis produced pupa quantity remains render salt saltpetre scales shown in fig side skins slips of glass soluble solution species sufficient sulphuric acid surface tained thin ticks tion tube Val di Chiana vessel washing whilst
Popular passages
Page 205 - The column they composed, my friend was informed, extended five hundred miles; and so compact was it, when on the wing, that like an eclipse it completely hid the sun, so that no shadow was cast by any object, and some lofty tombs distant from his residence not more than two hundred yards were rendered quite invisible.
Page 153 - A critic- fly, whose feeble ray scarce spreads An inch around, with blind presumption bold, Should dare to tax the structure of the whole. And lives the Man, whose universal eye Has swept at once the...
Page 153 - In vain, or not for admirable ends. Shall little haughty ignorance pronounce His works unwise, of which the smallest part Exceeds the narrow vision of her mind? As if upon a...
Page 27 - Within the small dimensions of a point, Muscle and nerve miraculously spun, His mighty work, who speaks and it is done, The invisible in things scarce seen reveal'd, To whom an atom is an ample field...
Page 350 - Because every living thing, from man down to an ephemeral insect, pursues the bee to its destruction for the sake of the honey that is deposited in its cell, or secreted in its honey-bag. To obtain that which the bee is carrying to its hive, numerous birds and insects are on the watch, and an incredible number of bees fall victims, in consequence, to their enemies. Independently of this, there are the changes in the weather, such as high winds, sudden showers, hot sunshine; and then there is the...
Page 27 - Contrivance intricate express'd with ease, Where unassisted sight no beauty sees, The shapely limb and lubricated joint, Within the small dimensions of a point ; Muscle and nerve miraculously spun, His mighty work who speaks and it is done...
Page 81 - Because like a watch it always cries click ; Then woe be to those in the house who are sick : For, as sure as a gun, they will give up the ghost, If the maggot cries click when it scratches the post. But a kettle of scalding hot water injected Infallibly cures the timber affected : The omen is broken, the danger is over ; The maggot will die, and the sick will recover.
Page 233 - In order to divide the cake into smaller pieces, the cake is placed on a sharp steel anvil, called Tagliulo, which has the edge uppermost, and a stroke of an edged hammer is given on the upper surface of the cake...
Page 201 - March, the wind having been for some time from the south. In the middle of April their numbers were so vastly increased, that in the heat of the day they formed themselves into large and numerous swarms, flew in the air like a succession of clouds ; and, as the prophet Joel expresses it, they darkened the sun.
Page 202 - The whole transformation was performed in seven or eight minutes' time; after which, they were a little while in a languishing condition; but as soon as the sun and air had hardened their wings, and dried up the moisture that remained after casting off their sloughs, they returned again to their former greediness, with an addition both of strength and agility. But they did not...