Annual Report, Объемы 41-421873 |
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Стр. 44
... inches of mercury are raised , or if the water were suffered to rise it would reach the height of four feet four inches . When turned sideways we have the very unexpected result of the greatest force of all , and that a negative one ...
... inches of mercury are raised , or if the water were suffered to rise it would reach the height of four feet four inches . When turned sideways we have the very unexpected result of the greatest force of all , and that a negative one ...
Стр. 52
... inches and weigh 1 cwt . Larger boats are proportionally lighter and more collapsible . The lightest boats on this principle are for the purposes of lake and river fishing . Such boats are now built of very great stability , collapsing ...
... inches and weigh 1 cwt . Larger boats are proportionally lighter and more collapsible . The lightest boats on this principle are for the purposes of lake and river fishing . Such boats are now built of very great stability , collapsing ...
Стр. 58
... inch ' slightly greater than that required to lift the water . The consequent ascent of this plunger indicates that the pump - pistons are not making their full stroke . A ready means is provided for rectifying this at surface . Such a ...
... inch ' slightly greater than that required to lift the water . The consequent ascent of this plunger indicates that the pump - pistons are not making their full stroke . A ready means is provided for rectifying this at surface . Such a ...
Стр. 60
... . The valves can be made of any number of inches diameter . It The new Patent Groups of Valves ( Fig . 2 ) are simply an blind extension of the same principal ; the difference being. Cowburn's Patent Dead-weight Safety Valve.
... . The valves can be made of any number of inches diameter . It The new Patent Groups of Valves ( Fig . 2 ) are simply an blind extension of the same principal ; the difference being. Cowburn's Patent Dead-weight Safety Valve.
Стр. 61
... inch area by preference , Ves GROUP VALVE COWBUNNE hotzupa 02 quil JEWABURT Fig . 2 . so that each pendant or pile of weights will be just the intended pressure in pounds per square inch on the boiler . 61.
... inch area by preference , Ves GROUP VALVE COWBUNNE hotzupa 02 quil JEWABURT Fig . 2 . so that each pendant or pile of weights will be just the intended pressure in pounds per square inch on the boiler . 61.
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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
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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...