Graduated Measures for Centigrade Testing. N.B.-The graduation is decimal. The decigallon is £ s. d. imperial gallon, and contains 1 lb. avoirdupois of pure water at 62 deg. F. The centigallon is decigallon. The septem is the bulk of 7 grains water; 1,000 septems = 1 decigallon. 3. Alcalimeter (contents gallon), graduated to 100 septems 4. Pipette, graduated to deliver 10 septems 5. Pipette, graduated to deliver 50 septems 6. Pipette, graduated to deliver 100 septems 7. Pipette, graduated into single septems up to 25 8. Bottle to contain 1 decigallon when filled to a mark 9. Test mixer, or tall graduated bottle, for preparing test liquors; contents, 1 decigallon, divided into 100 parts 10. Conical mixing jar, for Alcalimetry 11. Mixing bottle, 8-ounce, stoppered, for decimal test; solutions to use with these graduated measures, See Nos. 373 to 385 Apparatus for the application of heat. 12. Argand spirit-lamp, brass, with a brass support, adapted for crucibles Small spirit-lamp furnace, namely: 13. Glass spirit-lamp 14. Cotton wick in a box 0 60 020 026 010 0 1 0 0 0 7 0 0 3 0 0 2 049 22. Porcelain oil or water-bath, for drying powders over a lamp or sand-bath, one piece Large oil-lamp furnace for the evaporation of bulky liquors 026 Large gas-furnace for evaporations; when this is used, the 30. Tin plate cylinder, 12 by 8 inches, with perforated 1 3 6 9 009 0 16 35. Crucible jacket, mounted on rod and foot, adapted to Rimmington's gas-furnace, No. 31, and to the Argand spirit lamp, No. 12. For use when a crucible is to be ignited 36. Taylor's hot-air bath, for drying powders up to 300° Fahrenheit 37. Thermometer, with Fahrenheit's and the centigrade scales up to 300° Fahrenheit, enclosed in glass for dipping into chemical liquors 38. Minimum thermometer, for showing the lowest temperature that occurs during the night, in a frame, suited to fix it in any position 39. Dr. Wollaston's cryophorus, or frost carrier 40. Apparatus for showing the expansion of metals by heat 42. Griffin's set of blow-pipe apparatus, complete in cases, see 43. Griffin's apparatus for preparing blow-pipe supports, see Illustrated Catalogue, No. 1390 Crucibles: 44. Small platinum crucible with cover 45. Berlin porcelain crucibles with covers; 2 each: 000, 3d. ; 47. Twelve porcelain cups, without covers, of various sizes and forms 48. Earthenware crucibles, round, London made, 2 nests of six 2 to 6 inches high 49. Platinum capsule, 1 inch diameter 50. Platinum capsule, inch, thin 51. Platinum capsule, 4 inch, thin 52. Platinum spatula, 3 inch 53. Steel tongs for holding the small capsules 54. Iron crucible tongs for moving the crucibles when hot 55. Three iron spoons, inch diameter, for trying the combustibility of substances Apparatus for pulverisation, the sifting and washing of powders, &c. 56. Iron mortar 57. Berlin porcelain mortar, 33 inch 58. Berlin porcelain mortar, 5 inch 59. Iron spatula, coco handle 60. Metallic sieve, japanned iron, with 3 bottoms for sifting soils, &c. into particles of,, inch diameter 61. Lixiviating jar with spout, 20-ounce 62. Lixiviating jar with spout, 40-ounce 63. Glass stirrers, 3 of 12 inches long 64. Glass stirrers, 6 of 9 inches long 65. Glass stirrers, 6 of 6 inches long 66. Washing bottle with 2 tubes, for supplying a jet of water with spout 69. Water bottle, with 2 tubes, for supplying a small quantity of water - 0 5 0 0 3 3 010 70. Berzelius's washing bottle, with jet for washing precipitates on filters Syphons; see Hydrostatics, No. 460. Flasks and jars for preparing and containing Solutions. 71. Set of 12 large Bohemian beakers 72. Set of 6 beaked tumblers, Bohemian 73. Set of 12 glass covers for jars, assorted 74. Twelve flasks, assorted patterns and sizes, adapted for the preparation of gases, solutions, &c., where the application of heat is necessary, sizes under 4 ounces 75. Twelve ditto, sizes about 6 ounces 76. Twelve ditto, sizes about 12 ounces 77. Six ditto, sizes about 20 ounces £ s. d. 010 0 10 6 0 5 0 020 0 3 04 0 6 60 03 036 78. Two ditto, sizes 30 to 40 ounces 79. Large cylindrical jar, on foot, about 14 inches high Filtration. 80. Circular filters, 7 sizes, 100 each 81. Seven boxes for holding filters 82. Set of funnels, 7 sizes 83. One funnel, 6 inches diameter 84. Two quires of filtering paper, demy size 85. Two funnel holders, blackwood 86. Two filter rings, to filter without a funnel Evaporation. 87. Berlin porcelain evaporating basins, set of six, viz., 2, 3, 4, 101. Two sets of 3 small funnels, for pouring mercury, &c. into vessels with small mouths 102. Two white porcelain plates for coloured precipitates 022 010 0 1 10 020 008 0000 8200 6600 009 9 103. Apparatus for preparing sulphuretted hydrogen gas, with washing bottle, in a frame 108. Apparatus for testing carbonates (roses), see Fownes, page 247 0 2 0 109. Lead capsule for testing the presence of hydrofluoric acid Apparatus for Experiments on Gases. 111. Pneumatic trough, 21 by 15 inches, japanned tin plate, complete 112. Stoneware pneumatic trough, circular, 11 inches diameter, with beehive shelf mercury 113. Stoneware mercurial trough for experiments on gases over £ s. d. 09 0 0 1 6 018 0 0 9 004 115. Small beehive shelf, which, with the pan last named, constitutes a pneumatic trough for experiments with tube receivers over water - 0 4 0 116. Cooper's gas receiver, for experiments on gases requiring but 120. Two tubes, with bulbs for drying gases by means of chloride of calcium 121. Set of 6 strong gas tubes, for collecting gases in small quantities at the mercury trough, &c. 122. Graduated gas tube, contents 1 cubic inch, divided into 100 parts 123. Three small trays, for holding gas tubes filled with gas 006 012 lamp 125. Two extra retort tubes for ditto 126. Support for the oxygen tube retort, to fix it over the spirit 127. Gas bottle for the preparation of chlorine gas, simple delivery tube without acid funnel 016 128. Gas bottle for the preparation of hydrogen and carbonic acid gas, with acid funnel 020 129. Gas bottle, with cork and infusible gas jet, for burning a jet 132. Twelve yards of gas-delivery tube, to prepare connexions for occasional experiments 133. Vulcanized caoutchouc tube for connecting gas apparatus, 134. 136. Set of 4 files and rasps, for adjusting corks, tubes, &c. Apparatus for showing the Combustion of Phosphorus in Oxygen Gas, viz. : 030 ditto inch, 2 feet 0 20 026 028 139. Deflagrating jar, with wide mouth and ground stopper, open at bottom; for the combustion of sulphur, charcoal, &c., in oxygen gas; size, 9 by 5 inches 140. Ditto; size, 7 by 4 inches 141. Taper, mounted on wire, for combustion in oxygen gas 142. Ditto, differently mounted, for hydrogen gas 143. Spoon for holding sulphur, &c., when burnt in oxygen gas 146. Three tin crooks for fixing such tubes to the tube-holder 147. Wide glass tube, to hold over a burning jet of hydrogen gas (No. 129) to produce a musical sound 148. Three jars, for experiments with hydrogen gas, 7 by 1 inches with gas 151. Wide-mouthed bottle for collecting chlorine gas, stoppered, ditto ditto 152. Ditto 154. Ure's eudiometer, for the analysis of air of gaseous mixtures containing oxygen, by means of the electric spark, graduated 0 9 0 155. Two hard glass tubes, with bulbs, for the decomposition of oxides by means of hydrogen gas 020 156. Apparatus for collecting the water produced by the combustion of hydrogen gas; see "Chemical Recreations," page 245 0 3 157. Apparatus for collecting the carbonic acid produced by the combustion of a spirit-lamp or candle, 3 glass tubes The aspirator, or water-bottle (No. 67), is required for use 158. Apparatus for collecting the water produced by the decompo- 159. Oxyhydrogen blowpipe (Hemming's jet) The gases are mixed in the gas-holder (No. 117), and passed 160. Davy's safety lamp for coal miners 161. Piece of wire gauze, inch iron trellis, to illustrate the principle of the lamp Distillation Retorts, Receivers, &c. 162. One each size, plain retort: 2 oz. 6d., 4 oz. 7d., 8 oz. 9d., 0 030 030 09 0 165. One each size stoppered receiver, 4 oz. ls. 2d., 8 oz. ls. 6d., 16 oz. 2s., 30 oz. 2s. 6d. 166. One each adapters to fit retorts to receivers, straight and bent, 9d. |