Pulp and paper magazine of Canada . In the firsl pi; the microphotograph reveals very clearly the mass of mineral matter adhering to the surface of tinpaper, and it is possible from the magnification ofthe photograph and the actual thickness of the paperin calculate the tMckness of the mineral coatingitself. In Pig. ?, this is clearly shown. The paperselected was a chromo, coated on one side only, andmachine finished on the bottom side. The paper hada thickness of thousandths of an inch. At a magni-fication of :;(i(i. the microphotograph measures depth, of which in. represe
Pulp and paper magazine of Canada . In the firsl pi; the microphotograph reveals very clearly the mass of mineral matter adhering to the surface of tinpaper, and it is possible from the magnification ofthe photograph and the actual thickness of the paperin calculate the tMckness of the mineral coatingitself. In Pig. ?, this is clearly shown. The paperselected was a chromo, coated on one side only, andmachine finished on the bottom side. The paper hada thickness of thousandths of an inch. At a magni-fication of :;(i(i. the microphotograph measures depth, of which in. represents the amount ofspace occupied by the coating. The photograph thusdetermines the thickness of the coating and shows thatin this particular ease one-ninth id the actualthick- July 15. 1913 PULP AND PAPER MAGAZINE 485 nrss is due to the mineral coating on the surface ofthe paper. It may be noted that tihe slight -rackshown in the photograph is due to the fracture of tin-coating which has occurred during the cutting of Fig. 3 NEW BRUNSWICKS LEASE PROBLEM The Government of New Brunswick surely owes thelumbering ami pulp ami paper industries of that Pro-vince greater consideration than it has apparently beengiving them during the last few months. The revisedregulations, which were recently drawn up in connec-tion with the timber leasing situation, state that theholders of leases may elect to come in under the new-arrangement or may continue under their old leasesuntil 1918, when they will expire. If they wish to comein under the new regulations they must notify theGovernment before July 15th next. If they chouse toadopt this course they must pay, by August 1st, 1913,one-half of the bonus which the Government may decideupon. Under these conditions, the industry had a rightto expect that the Government would announce theamount of the bonus which is to lie charged, at as earlya date as possible, so that there might be ample time forconsideration of the conditions, to enab
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaperma, bookyear1903
