It was a small white bone approximately one inch long.

approximately four times that of hydrogen.

for the longest circuit to be worked, the shorter circuits being brought up approximately to a level, as regards resistance, by the insertion of resistance coils in the circuit of the transmitting apparatus of each shorter line.

They were approximately the right size but too dried and twisted to wear.

Of the revenue in 1905 (1503/4 million pounds) the four direct taxes produced approximately 20 millions.