The Bolton counts is still used in some mills in that town and also
in Bury and some few other districts. It is based on the number of
beers in 24-1/4 inches--a beer comprising 20 dents. A Stockport 40’s
reed would have 485 dents on 24-1/4 inches, or 24-1/4 beers Bolton.
A Bolton 24-1/4 reed is then equal to a Stockport 40’s. To find the
number of splits per inch in a reed having Bolton counts given,
multiply those counts by ·8249, or _vice versâ_. This rule shows the
number of dents and decimal parts; 8·245 is more often taken, but it
gives the number with less exactitude. The fraction is only taken to
two places of decimals, showing thus the 100th parts of dents--_e.g._,
a 30^0 Bolton has 24-74/100 splits per inch (8·249 × 30 = 24·747). To
convert Stockport into Bolton counts multiply by ·60625. To convert
Bolton into Stockport multiply by 1·6495. This rule gives the number of
ends per inch in Bolton counts, supposing the cloth to be wrought two
ends in a dent. The Scotch systems are to take the number of dents or
splits in the old Scotch ell, 37 inches, or by the number of porters
on the same length. The Scotch porter is equal to the Lancashire
beer--20 splits. In the first system, the splits per ell are expressed
in hundreds--thus, 17^{00} indicates 1700 splits on 37 inches, almost
equal to a 92 reed, Stockport; or a 46 on the Scotch inch scale, which
is the number of splits in one inch, and corresponding to the old
Radcliffe and Pilkington method in Lancashire.
By the porter system, a 40-porter reed would give 40 × 20 dents =
800 on 37 inches, equal to a 43 reed, Stockport, In Scotland (as in
Lancashire) the old complicated systems show a tendency to give way in
favour of the simpler systems of counting the dents or ends in one inch.
In the reed table given below, the first row of figures shows the
proportion which these reeds bear to one another, and the lower rows
indicate the fineness of the different systems for 33 and 40 splits
per inch respectively--the calculation results being given, which same
might not frequently appear in practice--
The Inch Stockport Bolton Scotch. Scotch
Scale. Dents Beers 100 ends Porter.
Dents per on on on Porters on
Inch. 2 Inches. 24-1/4 Inches. 37 Inches. 37 Inches.
1 2 1·2125 0·37 1·85
33 66 40· 12·20 61
40 80 48·5 14·80 74
HEALDS.
In Stockport counts four healds are considered as a set, and having
one thread through each eye are dubbed of similar counts to the
reed--_e.g._, a 60’s set of healds has 15 stitches per inch in each
set, equalling 60 ends per inch in the reed, which is a 60’s reed,
Stockport.
In spaced healds some are knitted finer than others and consequently
numbered differently. In this point draft:--
Public-domain text, read in full here on John Shaqi.
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