I would like to ask a question about an abbreviation about for weighing silk and goatswool in a commercial manuscript. The abbreviation using like on the photos. Can you please help me what is the meaning of these abbreviations. Any suggestions are welcome.
I think these are 'cwt', 'qr' and 'lb', representing 'hundredweight' (112 pounds), 'quarter[-hundredweight]' (28 pounds) and 'pound' in the avoirdupois system.
Here is a table from T.H.Babcock, *The Practical Arithmetic ... *, 1829:
'Brute' is what we would today call 'gross' weight.