Licence: Public Domain Mark
Credit: Mechanical practice in dentistry. Source: Wellcome Collection.
Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.
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![TABLE Showing Troy Weight, old style, and equivalents in Decimals and Grammes. Grains. Decimals. Jroy. Grammes. ] ■002 •065 2 . •004 •130 3 . '006 •195 4 . -008 •260 5 . •010 •325 6 . •013 ;390 7 . •015 •450 8 . •017 •515 9 . •019 •580 10 . •021 •645 11 •023 ; -710 12 . . -025 •775 13 . ■027 •840 14 . . -029 •905 15 . •031 •970 16 . •033 1-035 17 : •035 • 1100 18 . •038 . 1-165 19 . •040 . 1-225 20 . •042 . 1-290 21 . •044 . 1-355 22 . •046 . 1-420 23 . •048 1-490 24 . •050 1-555 1 ounce . 1 gramme 1 carat (diamond) 3^ grains 1 ounce Fenny- wtights. Decimals. Troy. Grammes. 1 •050 . . 1-560 2 . •100 . . 3-110 3 . •150 . 4-670 4 . •200 . . 6-220 5 . ■250 . . 7-780 6 . •300 . . 9-330 7 . •350 . . 10-89 8 . •400 . . 12-44 9 . ■450 . . 14-00 10 . •500 , . 15-55 11 •550. . . 1711 12 •600 . 18-66 13 . •650 . 20-22 14 •700 . . 21-77 15 . •750 . . 23-33 16 . •800 . . 24-88 17 . ■850 , . 26-44 18 .. •900 . . 27-99 19 . ■950 . . 29-55 20 . . 1-000 . 3110 31*1 grammes. 15\ grains. 0'205 grammes. 151^ diamond carats.](https://iiif.wellcomecollection.org/image/b21522170_0427.jp2/full/800%2C/0/default.jpg)
