Cuttings have also been made where necessary, and the widths of the channel are 487 yds.
They are made to print upon a single reel, or upon two, four, six or even eight reels, in both single or double widths, i.e.
" 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.
Wide, seldom as much as 35, while the broad, flat valleys between them attain widths of 20 to 27 m.
Deep and of various widths, for the purpose of connecting the Elbe, through the Havel and the Spree, with the system of the Oder.