the first lessons in numbers an illustrated table book designed for elementary instruction apothecaries weight lesson lxxxsee manual sec i exercise vii 20 grains gr make 1 scruple sc or 3 3 scruples make 1 dram dr or 3 8 drams make 1 ounce oz or 3 12 ounces make 1 pound lb or lb 20 grs 60 grs 480 gra 5760 86 long measure m m long measure teaoheearthur can you tell me how far a mile is aethurif i place 12 sticks an inch long in a rowthe row will be afoot long if i make a measure 3 times as long as the row ofsticks it will be a yard measure like the 2ajg91a.jpg from 《make》雷恩第一大学学历学位证书 q微信86013792办国外毕业证学位证海外学位证书毕业证书差别、毕业证书公证，真实留信认证id3cdpy View Photo