weights

• of electrons and atoms

42:6.7Each atom is a tri­fle over 1/100,000,000^th of an inch in di­am­e­ter, while an elec­tron weighs a lit­tle more than 1/2,000^th of the small­est atom, hy­dro­gen. The pos­i­tive pro­ton, char­ac­ter­is­tic of the atomic nu­cleus, while it may be no larger than a neg­a­tive elec­tron, weighs al­most two thou­sand times more.

42:6.8If the mass of mat­ter should be mag­ni­fied un­til that of an elec­tron equaled one tenth of an ounce, then were size to be pro­por­tion­ately mag­ni­fied, the vol­ume of such an elec­tron would be­come as large as that of the earth. If the vol­ume of a pro­ton—eigh­teen hun­dred times as heavy as an elec­tron—should be mag­ni­fied to the size of the head of a pin, then, in com­par­i­son, a pin’s head would at­tain a di­am­e­ter equal to that of the earth’s or­bit around the sun.

• Jerusem gradant equals 10 Urantia ounces

46:1.2The stan­dard mile of Je­ru­sem is equiv­a­lent to about seven Uran­tia miles. The stan­dard weight, the “gradant,” is built up through the dec­i­mal sys­tem from the ma­ture ul­ti­ma­ton and rep­re­sents al­most ex­actly ten ounces of your weight. The Sa­ta­nia day equals three days of Uran­tia time, less one hour, four min­utes, and fif­teen sec­onds, that be­ing the time of the ax­ial rev­o­lu­tion of Je­ru­sem. The sys­tem year con­sists of one hun­dred Je­ru­sem days. The time of the sys­tem is broad­cast by the mas­ter chro­nol­deks.

• first were grains of wheat

69:4.5The first weights were grains of wheat and other ce­re­als. The first medium of ex­change was a fish or a goat. Later the cow be­came a unit of barter.