" In the paper quoted the numerical values of p are given for different widths of slit, and a table shows to what extent the loss of purity due to a widening of the slit is accompanied by a gain in luminosity.
The streets are of all widths, and of all degrees of crookedness, and run in all directions.
Cuttings have also been made where necessary, and the widths of the channel are 487 yds.
Deep and of various widths, for the purpose of connecting the Elbe, through the Havel and the Spree, with the system of the Oder.
Wide, seldom as much as 35, while the broad, flat valleys between them attain widths of 20 to 27 m.