A report of the computation of tables, to be used with the hydrometer recently adopted for use in the United States custom-houses / made under the superintendence of A.D. Bache, by R.S. McCulloh.

  • Alexander Dallas Bache
Date:
1851
Catalogue details

Licence: Public Domain Mark

Credit: A report of the computation of tables, to be used with the hydrometer recently adopted for use in the United States custom-houses / made under the superintendence of A.D. Bache, by R.S. McCulloh. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    §5. §6. §7. §8- §9. Table VII. An auxiliary table, used for the same purpose Poimula C, used for computing the volumes corresponding to the densities Table VIII, showing the true densities and volumes of alcohol of every degree of strength, from 1 to 100 per cent, inclusive, and at every temperature, from 20° to 100° Fahr. Extension of per cents. frour93 to 100 per cent. Formula D. used for the extension j data upon which the ex- tension is founded Table IX, used with the formula for interpolating between 93 and 100 per cent. - - . Table X. Computed densities of alcohol of strengths between 93 and 100 per cent. - . . . Comparison of the data of various observers with the computed results - Table XI. Muncke’s densities of 100 per cent, alcohol com- pared with those given in table VIII - - . . Tc^ble XJI. Gay Lussac’s densities compared with those of same table Table XIII. Tralles’data compared - - - . Tables XlV to XVII. Delezennes’ data compared Tables XVIII to XXI. McCulloh’s data compared Exact verification of table VIII - - - - - Table XXII, showing differences between the interpolated and observed densities for the same per cents, and temperatures - The table of volumes of the manual obtained - - - Formula E, used for reducing the true to apparent densities Why General Roy’s coefficient of dilatation of glass was em- ployed - - - - - - - : Table XXIII, used for correcting the density, for expansion and contraction of the instrument, for every degree above and beloAv 60° Fahr. - - - - - - 1 Cocnputation of apparent from true per cents. - - - ] Table XXIV, showing the appare^it densities and apparent per cents, corresponding to the true per cents. - - - 1 Table of true per cents, of the manual obtained - - 1 Table of commercial values of the manual obtained - - 1 Iff |! CHAPTER JI. Experiments made with different alcoholic liquors, to find the variation density produced by essential oils, or other flavoring and coloring ma ter, contained therein. § 10. Experiments with oil of juniper - - - - 1 §11. Experiments with oil of rye - - - - -I § 12. Experiments with Jamaica spirits - - - - ' § 13. Experiments with New England rum - - - - J § 14. Experiments with dark Cognac brandy - - - j § 15. Experiments with pale Cognac brandy - - - ] § 16. Indicated strengths of the above iicpiors - - - 1