With an approximate date—or at least a year—and a first name, the chore would be infinitely easier than scouring decades for a nameless individual.
The following are the approximate wave-lengths of the most brilliant lines: When the discharge passes through helium at a pressure of several millimetres, the yellow line 5876 is prominent.
Occupations.The following table, which shows the approximate numbers of persons engaged in the various manufacturing industries of France, who number in all about 5,820,000, indicates their relative importance from the point of view of employment:
It should be noted that the figures for area and population are, as a rule, only estimates, but in most instances they probably approximate closely to accuracy.
Their approximate form was only arrived at by excavations made during the later years of the 19th century.