L E T T E R SCALE ( 0 ... 250 Gram ) Jakob Maul, Germany (1950) ********************************************************************** The screw on the right is for leveling the scale: SET POINTER TO ZERO Here it measures the weight of a KLEINBOTTLE, invented by FELIX KLEIN, a mathematician of Goettingen / Germany (1882), is available today ... ... as an IDEA FOR A SPECIAL GIFT at WWW.KLEINBOTTLE.COM ... HOW MECHANICAL SCALES WORK ... impressum: ********************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 01/03/12 |