BIPEDS AND QUADPvTJPEDS. Ill 



For country use, if a man wishes to avoid all 

 trouble or attention in a trip of a month's duration^ 

 let him by all means use Collinge's axles ; but I am 

 not quite certain but in cross country roads, where a 

 little play of the wheel on its axis is desirable, but 

 that the plain axle is th« best ; but then it must not 

 be an ordinary made one, but one turned so truly, 

 and so well polished, that a microscope could scarcely 

 detect the slightest deviation from perfect truth in 

 its formation, the box of course fitting with equal 

 trueness ; such an axle, with proper washers, and 

 well oiled, I should say, on the whole, would run 

 freer than even Collinge's : but then they require 

 constant attention, as to keeping them well supplied 

 with oil or the best of grease. I may be wrong, but 

 for a match cart I should take such an axle in pre- 

 ference to one of Collinge's ; a kid glove may fit too 

 closely to the skin to feel perfectly easy in its use : I 

 am not satisfied but a wheel, or rather axle, its caps, 

 and box, may do the same, though my idea may 

 possibly be incorrect. A person may say, " I know 

 nothing about axles, so it would be of no use my 



