601 OF ENGINEERING F0RMULÆ.
Comparison of English, French, American, and German Coins.
English. French. Ameri- can. German.
/’Denomination Sovereign. 20 franc. Eagle. 20 mark.
3 J Total weight, grains troy 123’27 99-56 258 122’918
0 iFine* .. .. 916-67 900 899-3 900
I Weight of pure gold, gr. troy 113-0016 89'6 232 110'626
VEquiv.f to 1 sov., grs. troy 113'0016 112 111-36 110-626
Ratio of silver to gold .. 14-6 15-5 16 13-95
/Equiv. to 1 sov., grs. troy 1650 1736-1 1782 1543
. I Weight of pure silver, gr. troy 165 347’23 371-25 77-16
a iKine 916’67 900 900 900
g j Total weight, grains troy I 180 385-81 412-5 85-73
^Denomination Rupee. 5 franc. Dollar. Mark.
The English florin = 175$ grains; or 161'45 pure silver = 920 fine.
Altered Coinage, necessary for Interchange under a
Bi-metallic Standard.
English. French J Ameri- can. German.
/Denomination .... .. Sove- reign. 20 franc. Eagle. 20 mark.
g Total weight, grains troy o Fine * ° Weight of pure gold, gr. troy \Equiv. to 1 sov., grs. troy Ratio of silver to gold .. Æquiv. to 1 sov., grs. troy . 1 Weight of puresilver.gr. troy p 1 Fine g < Total weight, grains troy 124*45 900 112 112 15-5 1736’1 173-6 900 192-9 99-56 900 89-6 112 15-5 1736'1 347-2 900 385-81 259-26 900 233-3 112 15-5 1736-1 361-7 900 401'9 144'45 900 112 112 15-5 1736'1 86’8 900 96-5
Æ) 1 I Denomination .. .. ., Florin or Rupee. 5 franc. Dollar. Mark.
* The term Fine denotes the number of parts of pure metal in 1000,
the remainder being alloy; thus 900 “ fine ” denotes 900 of pure metal to
+ The equivalent ia assumed at 25 francs, 4’8 dollars, 20 marks,
) rupees.
J The French coinage ia unaltered in this table.