Summary

Source

digraphWeight{
bgcolor="transparent";
node[shape="rectangle",style="filled",fillcolor="white",color="black"];
edge[color="#555555"];
# add colors, distinction for records!
dram[shape="record"label="<apt> Apothecary | <adp> Avoirdupois | dra(ch)m"];
ounce[shape="record"label="<troy> Troy | <tower> Tower | <adp> Avoirdupois | ounce"];
pound[shape="record"label="<troy> Troy | <ldn> London | <merc> Merchant | <tower> Tower | <adp> Avoirdupois | pound"];
stone[shape="record"label="<ldn> London | <merc> Merchant | <butch> Butcher | <adp> Avoirdupois | stone"];
quarter[shape="record"label="<all> quarter, tod | <long> long | <short> short"];# 1/4 hundredweight
#quintal [shape="record" label="long | short | <all> hundredweight,\n quintal, centner"];
quintal[label="hundredweight,\n quintal, centner"];# 100 pound
#ton [shape="record" label="long | short | <all> ton"];
ton[label="ton"];
grain;
penny[label="pennyweight"];
clove[label="clove, nail"];# nail: 1/16 hundredweight
# ounce pound stone (gr)
# 450 5400 Tower
# 480 5760 Troy
# 6750 81000 Merchant
# 437.5 7000 98000 Avoirdupois
# 7200 90000 London
# ounce -> pound
ounce:adp->pound:adp[label="16"];
ounce:troy->pound:troy[label="12"];
ounce:troy->pound:ldn[label="15"];
ounce:tower->pound:tower[label="12"];
ounce:tower->pound:merc[label="15"];
ounce:tower->pound:ldn[label="16"];

# Avoirdupois
grain->pound:adp[label="7000"];
dram:adp->ounce:adp[label="16"];
pound:adp->clove[label="7"];// 49000 gr
clove->stone:adp[label="2"];// 98000 gr
pound:adp->quarter:short[label="25"];// 175000 gr
stone:adp->quarter:long[label="2"];// 196000 gr
quarter:all->quintal:all[label="4"];// 700000 gr
quintal:all->ton:all[label="20"];// 14000000 gr
# Troy, Monetary
grain->penny[label="24"];// 24 gr, headlabel="Troy"
penny->ounce:troy[label="20"];// 480 gr
grain->ounce:tower[label="450"];// 450 gr
ounce:troy->mark[label="8"];// 3840 gr
penny->shilling[label="12"];// 
shilling->ounce:troy[style="invis"];// invisible
//	mark -> pound:troy [label="11⁄2", style="invis"];// invisible
shilling->pound:troy[label="20"];
# Apothecary
grain->scruple[label="20"];// 20 gr
scruple->dram:apt[label="3"];// 60 gr
dram:apt->ounce:troy[label="8"];// 480 gr
# Mercantile
pound:merc->stone:merc[label="12"];
pound:adp->stone:butch[label="8"];
pound:ldn->stone:ldn[label="121⁄2"];
//	stone:adp -> sack [label="26"];
quarter:long->sack[label="13"];
}

Licensing