See also:

• GRAVIMETRIC

GRAVIMETRIC See also:

• DENSITY (Lat. densus, thick)

DENSITY OF PRODUCTS OF  See also:

• EXPLOSION

EXPLOSION in. of See also:

• WATER

water at this temperature weighs 62.35 lb, and therefore I lb of water bulks 1728+62.35=27.73 cub. in . Thus if a See also:

• CHARGE
• CHARGE (through the Fr. from the Late Lat. carricare, to load in a carrus or wagon; cf. " cargo ")

charge of P lb of See also:

• POWDER (through O. Fr. puldre, modern poudre, from Lat. pulvis, pulveris, dust)

powder is placed in a chamber of See also:

• VOLUME

volume C cub. in., the (6) G.D . = 27.73P/C, G.V.=C/27•73 P . 30 30 28- ZB 28 26 Sometimes the See also:

• FACTOR (from Lat. facere, to make or do)

factor 27.68 is employed, corresponding to a See also:

• DENSITY (Lat. densus, thick)

density of water of about 62.4 lb per cub. ft., and a temperature 12° C., or 54° F . With metric See also:

• UNITS, DIMENSIONS OF
• UNITS, PHYSICAL

units, measuring P' in kg., and C in litres, the G.D . =P/C, G.V . =C/P, no factor being required . From the Table I., or by See also:

• QUADRATURE (from Lat. quadratura, a making square)

quadrature of the See also:

• CURVE (Lat. curvus, bent)

curve in fig . 9, the See also:

• WORK

work E in See also:

• FOOT

foot-tons realized by the expansion of I lb of the powder from one See also:

• GRAVIMETRIC

gravimetric volume to another is inferred; for if the See also:

• AVERAGE

average pressure is p tons per sq. in., while the gravimetric volume changes from v-80v to v±ZAv, a See also:

• CHANGE (derived through the Fr. from the Late Lat. cambium, cambiare, to barter; the ultimate derivation is probably from the root which appears in the Gr. «a urmu', to bend)

change of volume of 27.73 AV cub. in., the, work done is 27.73 p w See also:

• INCH (O. Eng. ynce from Lat. uncia, a twelfthpart; cf. " ounce," and see As)

inch-tons, or (7) DE=2.31 pOv foot-tons; and the See also:

• DIFFERENCES, CALCULUS OF (Theory of Finite Differences)

differences AE being calculated from the observed values of p, a summation, as in the ballistic tables, would give E in a See also:

• TABULAR

tabular See also:

• FORM (Lat. forma)

form, and conversely from a table of E in terms of v, we can infer the value of p . On See also:

• DRAWING

drawing off a little of the See also:

• GAS

gas from the explosion See also:

• VESSEL (O. Fr. vaissel, from a rare Lat. vascellum, dim. of vas, vase, urn)

vessel it was found that a gramme of See also:

• CORDITE

cordite-gas at o° C. and See also:

• STANDARD
• STANDARD, BATTLE OF THE

standard atmospheric pressure occupied 700 CCs., while the same gas compressed into 5 ccs. at the temperature of explosion had a pressure of 16 tons per sq. in., or 16X2240÷14•7 =2440 atmospheres, of 14.7 lb per sq. in.; one ton per sq. in. being in See also:

• ROUND (O. Fr. rond, Lat. rotundus, the Fr. is the source also of Du. rond; Ger., Swed., Dan. and Nor. rond)

round See also:

• NUMBERS, BOOK OF
• NUMBERS, PARTITION OF

numbers 150 atmospheres . The See also:

• ABSOLUTE (Lat. absolvere, to loose, set free)

absolute centigrade temperature T is thence inferred from the gas See also:

• EQUATION (from Lat. aequatio, aequare, to equalize)

equation (8) R = pv/T = 001273, which, with p=2440, v=5, p0-i, v0=700, makes T=4758, a temperature of 4485° C. or 8105 ° F .