834 



Popular Science Monthly 



Joseph's Coat of Many Colors Was 

 Not More Gorgeous Than This 



THOSE who are in a position 

 to know, tell us that three 

 dollars is a fair average price for 

 an elk tooth, such as are sold 

 to jewelers and to members of 

 the Order of Elks. Much 

 higher prices are paid for 

 very good specimens. A curio 

 dealer in Steubenville, Ohio, 

 has a coat covered with 3300 

 of these teeth, which he 

 values at $10,000, and does 

 not wish to sell it at that 

 or any other price. The 

 coat proper was made by 

 an Indian in Manitoba, 

 Canada, and is sinew- 

 sewed. It weighs twenty- 

 eight pounds. There are 

 two rows of antelope teeth, 

 one hundred and fifty-nine 

 in all, down the front. The 

 owner of the coat is a 

 prominent member of the 

 Order of Elks. and wears 

 the coat at all conventions. 

 With the coat the owner 

 wears an ornate necklace 

 made of the largest of the 

 elk teeth in his collection. 



The coat, covered with elk teeth, 

 weighs twenty-eight pounds. 

 There are two rows of antelopes' 

 teeth down the front 



Brake band 



Bell Gives Warning 



When Automobile' 



Backs Up 



THE simple clock- 

 like device shown 

 in the accompanying il- 

 lustrations, the inven- 

 tion of Ernest P. 

 Hoover, of Wilton Junc- 

 tion, Iowa, is designed 

 to ring a warning bell 



automatically as soon as Tp ™ e * &e leve 



the reverse gear of an automobile is 

 thrown into mesh, and thereby prevent 

 collisions with following cars. The de- 

 vice consists of a cylindrical casing 

 pivoted on a bracket attached to the 

 rear axle and carrying a. shaft with a 

 disk which may be thrown into contact 

 with one of the rear wheel 

 brake drums when the 

 entire casing is swung 

 about its pivot by the 

 act of throwing the car's 



reverse gear into mesh. The pivoting ac- 

 tion of the casing is effected by means of a 

 bell-crank lever on the casing and a wire 

 or rod leading from the bell-crank 

 to the gear-shifting lever or pedal. 

 The sounding bell is mounted on 

 one end of the casing. It is rung 

 by means of a pivoted hammer os- 

 cillated by means of a small star 

 cog-wheel mounted on the 

 same shaft as the disk which is 

 made to contact with the 

 rear brake drum as the 

 reverse gear is thrown 

 into mesh. A ratchet 

 wheel on the other end 

 of the disk shaft is made 

 to rotate by a small dog 

 on the disk which is loosely 

 mounted on the shaft. 

 This loose mounting of 

 the disk and the direction 

 or shape of the ratchet 

 teeth permits the bell to 

 remain inoperative should 

 the disk in any way be 

 thrown into contact with 

 the brake drum while the 

 reverse gear is not in 

 mesh. 



! The bell begins to ring 

 as soon as the automobile 

 begins to back up, and the 

 warning is sounded contin- 

 uously until the car comes 

 to a standstill, thus avoid- 

 ing all rear-end collision. 

 It would be almost an im- 

 possibility foi anyone but a 

 deaf person to disregard it. 



The arrow points to the 

 bell which gives warn- 

 ing to those in the rear 

 that the car will back up 



