原公分秤秤一○○○克以内重量差误较小,若秤一○○○克以上重量则差误较大。为了使秤保持一定的准确度,我站根据杠杆原理加以改装,即在秤盘加一○○○克的东西,而在尾端加一小锤,使原枰锤 a仍在零点,秤杆仍保持平衡,则该秤即能秤到二○○○克的重量,而保持一○ The original centimeter scale weighs less than 100 grams less than a small scale, if the scale of more than one hundred thousand grams more than the larger error. In order to maintain a certain degree of accuracy of the scale, I am station based on the principle of lever to be modified, that is, in the weighing pan plus one hundred thousand grams of things, and at the end plus a small hammer, the original hammer a still zero, When it is balanced, the scale weighs 2000 grams while maintaining a tenth