302 



THE INDIA RUBBER WORLD 



[July i, 1907. 



Golledce's Tapping Knife (Ceylon). 



iU--cii. Can be used in cutting frnm left to right and right to 



left from above downwards. Used to make 

 during subsequent paring operations.] 



the original incision and 



I 



I 



'•V. D. K." Knife. 

 [Tapping tools for Hcvca, patented by 

 Gustav \'an den Kerckhove, of Belgium.] 



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w^ 



Bowman and Northvvay Knives (Ceylon). 



[For Hctca. Used in series of three. The first shown, at the top, 

 is provided with a two-edged guide, which on pressing against the barlt 

 cuts the tissue and defines the area to be cut away by the knife behind it. 

 It is us;d like a plane, the head being shaped to shave the bark gradually. 

 The second knife is used for very thin parings, cutting olf the lower edge 

 of the grooves as originally made. The last knife, or pricker, with a 

 spur-like arrangement, having a number of sharp cutting teeth, is used to 

 cut the latex tubes near the cambium.] 



Gordon VValdron's Tappinc 



[For planted tastilloa. Used in Nicaragua.] 



Knife. 



Rubber Tapping Tool in Gu.\tem.\la. 



[Usetl for wild Castilloa. A sort of transformed saber.] 



[ 

 aept 



Dixon's Tapping Knife (Ceylon). 



For Hcvca. An open blade knife, adjustable to cut the bark at any 

 )tn. Base provided with a prick;r for ascertaining hark thicknesses. 1 



Rubber Tapping Tool in Guatemala. 

 [Used for Castilloa. Designed by Seiior Asturinas, of the Plantation 

 •El P.nul."] 



Tapping Tool for "Hevea" (Ceylon). 

 [Patented by the Colombo Commercial Co.] 



Tool for "Castilloa." 



[Suggested by Ur. Carl Utto Weber for use in Colombia] 



Tapping Tool for "Hevf.a." 



[Desisned by E. Valentine Carey in the Federated Malay States.] 



Tool for "Castilloa." 



[Used by C. .\. Lesher on "La Zacualpa" plantation in Mexico. Con- 

 sists of a loop of steel in a handle about i8 inches long, having inside it 

 a long steel finger regulated by a thumb screw to determine the thickness 

 of the cut to be made.] 



Christy's Tapping Tocl. 



[Made by Thomas Christy & Co., London. The extension of the blade 

 is regulated by a screw in the handle.] 



Prasterink's Gouge and Pan (Java). 



[Used on FicHS. The latex flows down the trough, through the aper- 

 ture shown, into the collecting pan.] 



