702 FISHERIES OF THE UNITED STATES. [58] 



Au Sable fishing boat. 



Model, scale 2 inches to foot. Made of white pine ; bottom nearly 

 flat for 8 feet in center ; sheer of 5 inches at bow, 7 inches at 

 stern ; well, 6 feet from bow, extends 2 feet; will carry 2 men 

 and 200 pounds of baggage steadily; setting-pole used exclu- 

 sively; cost $15. Dimensions of original: Length over all, 18£ 

 feet; beam, 3£ feet; width of bottom y 2£ feet; depth amidships, 

 1£ feet. Bay City, Mich., 1876. 25,899. Gift of D. A. Fitz- 

 hugh, jr. Used for trout and grayling fishing in rapid streams. 



10. Portable boats. 



colvin portable canvas boat. 



Model, scale 2 inches to foot. Patented October 6, 1874. Albany, 

 K Y. 22,218. R. A. Scott & Co. "This boat consists of a can- 

 vas exterior, made thoroughly water-proof by a preparation 

 which preserves the strength of the canvas and prevents decay 

 and oxidation. It is shaped like a canoe, sharp at both ends, 

 and cuts the water handsomely. Along the sides and bottom 

 are leather thongs, by which the boughs and limbs cut for frame 

 can be lashed securely to the canvas, with the assistance of the 

 four leather framing-blocks or sockets (two for each end), which 

 connect the stem and stern posts (or prow pieces) with the keel- 

 son ; and it can be readily put together anywhere in the woods, 

 no tools being required for the purpose, excepting an ax or 

 hatchet. The whole of it can be packed away in a space 24 

 inches long, 6 inches wide, and 3 inches thick. The size now 

 made (No. 3), although but 12 feet long, will carry six men, or 

 four men with their necessary baggage, and weighs but 12 

 pounds when rolled up. It has been tested in a heavy sea with 

 a frame of green boughs cut only two hours before, and carried 

 a weight of 700 pounds safely and easily." 



Osgood's portable folding canvas boat. 



Manufactured by Osgood & Chapin, Battle Creek, Mich. 42,841. 

 The following sizes are manufactured : Length, 12 feet ; width, 

 33 inches ; depth, 12 inches ; weight, 45 pounds ; length of 

 oars, 6£ feet ; price, $35. Length, 15 feet ; width, 36 inches ; 

 depth, 13 inches ; weight, 70 pounds ; length of oars, 6£ feet ; 

 price, $45. 



Size of chest. — For 12-foot boat : 38 inches long, 17 inches wide, 18 

 inches deep. For 15-foot boat : 40 inches long, 20 inches wide, 

 22 inches deep. 



"The 12-foot boat is designed for two men; will carry 600 pounds, 

 and draw 4 inches of water. The 15 foot boat is designed for 

 four men ; is rigged with two pairs of oars, will carry 850 



