Annual Report, Объемы 41-421873 |
Результаты поиска по книге
Результаты 1 – 5 из 55
Стр. 19
... surface are really practically unlimited , if the cost of production in bringing the coal to the surface is such as not only to make it disastrous to private households , but such as to make the cost of raising ore ruinous to the mine ...
... surface are really practically unlimited , if the cost of production in bringing the coal to the surface is such as not only to make it disastrous to private households , but such as to make the cost of raising ore ruinous to the mine ...
Стр. 23
... surface ? Or , who can help admiring the ingenuity and skill which enables arrangements to be made to take 180 photographs in as many seconds , through an astronomical telescope , of the surface of the sun during the transit of Venus ...
... surface ? Or , who can help admiring the ingenuity and skill which enables arrangements to be made to take 180 photographs in as many seconds , through an astronomical telescope , of the surface of the sun during the transit of Venus ...
Стр. 25
... surface to the bott m of a minз , and to do away with the use of two or more pumping stages and sets of pumps . The power is conveyed through two columns of water under pressure in iron pipes to suitably constructed forcing pumps ...
... surface to the bott m of a minз , and to do away with the use of two or more pumping stages and sets of pumps . The power is conveyed through two columns of water under pressure in iron pipes to suitably constructed forcing pumps ...
Стр. 42
... action of " Pitôt's tube " is the following : -Let an open tube a b , Fig . 1 , be plunged vertically in a fluid of which the surface is ed ; and let its lower end be turned in a horizontal С a FIG . 1 . d direction ; the 42.
... action of " Pitôt's tube " is the following : -Let an open tube a b , Fig . 1 , be plunged vertically in a fluid of which the surface is ed ; and let its lower end be turned in a horizontal С a FIG . 1 . d direction ; the 42.
Стр. 43
... surfaces of a bent column of mercury , and while they act in harmony to produce indications of speed they are antagonistic in respect of all other forces ... surface of water within it at the same height , whether the ship is at rest or 43.
... surfaces of a bent column of mercury , and while they act in harmony to produce indications of speed they are antagonistic in respect of all other forces ... surface of water within it at the same height , whether the ship is at rest or 43.
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
ADIT Alfred Fox apparatus Bodmin boiler Brea Hill bronze medal buddle Camborne Capt carbon Carn Brea Carn Brea Hill Chacewater coal Committee Condenser copper Cornish Cornwall Crofty crystals of felspar crystals of quartz cubic cylinder Dartmoor decomposed diameter DISTRICT ditto ditto ditto drawing elvan elvan course Exhibition Falmouth fathoms feet felspar felspathic Freeman Genn giants governor grained granite Grimspound Helston Illogan inches iron John judges killas Kynance Cove lode machine machinery Messrs mica miles miners mines Miss observations obtained patent Penryn Penzance pipe piston Plate Polytechnic porphyritic pressure prize produced pumping engine quantity quarried quartz quartzo-felspathic Redruth rock Rogers Royal sand schorl shaft shewn Society South Carn specimens speed stamps steam stone stuff surface TABLE Tregelles Truro tube valve velocity W. P. Dymond weight West Wheal Basset
Популярные отрывки
Стр. 24 - Allow me to thank you for the kind way in which you have listened to the remarks I have made, and to assure you how deeply I am with you on this occasion, both heart and soul.
Стр. 211 - Every person who shall wilfully admix, and every person who shall order any other person or persons to admix, with any article of food or drink, any injurious or poisonous ingredient or material to adulterate the same for sale...
Стр. 20 - Under what is technically called the long-wall system of working the coal, a difference of about 7° appears to exist between the temperature of the air and that of the strata at the working faces, and this difference increases 4 per cent.
Стр. 56 - ... and there we saw the giants, the sons of Anak, which come of the giants ; and we were in our own sight as grasshoppers, and so were we in their sight.
Стр. 211 - An act to amend the law for the Prevention of Adulteration of Food and Drink, and of Drugs.
Стр. 181 - Photographic copies in bichromated gelatine, from delicate line engravings, have been thus faithfully reproduced on glass. In photographic pictures in gelatine, taken from nature, the lights and shadows produce films of gelatine of different degrees of thickness. A carefully regulated sand-blast will act upon the glass beneath these films more or less powerfully in proportion to the thickness of the films, and the half-tones or gradations of light and shade are thus produced on the glass. If we apply...