The Process
Step 1: Preparing the Fur
Pulling
To prepare
the fur for felting, the guard hairs had to be removed. These hairs were
unsuitable for the Hatter's purposes. The pelt would be placed on the
Hatter's knee and with thumb and a large knife (or tweezers), the guard
hairs would be pulled leaving only the beaver wool on
the skin.
Carroting
A solution
of "nitrate of mercury" would be brushed on the pelt. This produced a
yellow-red color on the fur tips. The fur became "carrot" colored. The
mercury caused miniature scales to raise on each individual fiber. This
roughened the fiber and increased the wool's matting ability. The pelt
would be dried and then the wool shaved from it using a semi-circular
knife. Note: In subsequent steps using heat
and moisture, the mercury would be released as a vapor. After long term
exposure to these fumes, the amount of mercury in the Hatter's body
would reach dangerous levels. Mercury attacks the nervous system causing
uncontrolled muscle twitching, a lurching gait, difficulties talking and
thinking. Eventually, the term "mad as a hatter" became a common
description of someone experiencing severe mental problems. Many Hatters
eventually died of mercury poisoning.
Mixing
Once the
wool was removed from the pelt, it was called fluff. For the finest hats
the Hatter would mix two different types of fluff: one part dry
castor from a sun dried beaver pelt which still retained its
guard hairs and two parts greasy beaver with the guard
hairs removed due to the friction of wear by native people. The wool of
the greasy beaver was thought to make a more luxuriant hat.
Carding
Both types
of fluff were then carded together. Carding is the process of taking
fibers that are arranged in a random form and organizing them so they
are ready for the next step in the felting process.
Weighing
The fluff
was then weighed according to the amount needed for the particular size
and thickness of hat to be made. This would be about 8 to 12 ounces of
fluff, usually equivalent to the amount produced by one prime beaver.
Step 2: Matting
Bowing
The process
of bowing was both a cleaning and fluffing operation. At this stage, the
fluff would begin to mat together loosely. Bowing was done by placing
the fluff on a hurdle or square table with many evenly spaced parallel
slots. The table would be located by a window to provide good lighting.
Drafts were avoided to keep the valuable fluff from blowing away during
the process. Hatters considered bowing an art and one of the most
delicate parts of the process.
The fluff
was divided and bowed one half at a time. The Hatter's bow resembled a
large violin bow. It hung from the ceiling directly over the hurdle. The
bow's one string would be plucked with the thumb or with a wooden bow
pin. This caused the string to vibrate over and among the fibers. The
wool was fluffed, separated and agitated by this process. Dust and dirt
fell through the parallel slots in the hurdle. The wool was spread out
much like rolling a pie crust and the fibers continued matting together.
The wool,
now called a batt, would be in the shape of a large
oval sheet about 4 feet long, 3 feet wide and 6 to 12 inches high.
Pressure would be applied with a slotted wooden Hatter's basket and
maybe an oil cloth. By this point the fibers were matting together
enough to allow handling of the batt. The procedures are then repeated
with the other half of the beaver wool producing a second batt.
Basoning
The next
step is not well understood. It appears each batt was manipulated into a
triangular shape called a capade or gore. Then
additional fluff was placed where the brim, crown and circumference of
the brim would be located. Each capade was wrapped in a leather skin
called a hardening skin and placed on the bason.
The bason was a wooden bench with an iron plate located in the center.
Under the plate was a small heat source. The batt was sprinkled with
water, heated and worked with the hands. Of course, unbeknownst to the
Hatter, the heat was releasing the dangerous mercury fumes. Basoning
used heat, pressure and moisture to strengthen and condense the batt.
After the
two triangular batts were condensed, they were placed one on top of the
other and manipulated further around the edges to form a cone. It
probably looked very much like an oversized dunce cap at this point.
Since the hat body is still very large it required further shrinkage and
toughening.
Planking
The hat now
ballooned, was placed in a large copper kettle to complete the next
process called planking. In the kettle was a very hot
solution of diluted sulfuric acid, beer-grounds and wine sediments. The
hat body was immersed in this solution over and over again. Then it was
worked by hand or with a rolling pin on sloping planks
located around one side of the kettle. The Hatters protected their hands
from scalding by either wearing a sort of glove or by first dipping
their hands in a bucket of cold water. The process of using pressure,
heat and moisture helped compact the felt to half its former size!
In some
cases, plating may have occurred. This was usually done
on cheaper hats made from a mixture of other furs. A thin batt of cotton
and beaver would be made and wrapped on the outside of the conical hat
body. With pressure it could be manipulated to become securely attached
to the rest of the hat body.
Step 3: Shaping and
Finishing
It seems
that there were different steps used by different Hatters at this point.
The differences may have been part of "trade secrets" or simply
differences in the way individual Hatters liked to finish their work.
There are some basic techniques they probably all used.
Blocking
The shrunken
hat body, still in shape of a cone, would be forced on a block
made of wood. The block acted as a mold, roughly creating the desired
style and size of the top hat. Blocking occurred by tying a cord around
the top of the crown and driving this down toward the base of the block
using a copper or iron stamper. This tightly stretched
the hat body over the block. What remained at the bottom became the brim
of the hat. The brim would be cut with a rim-jack at
the desired size. Before being dyed, some initial trimming and brushing
may have occurred. The surface of the hat might further be treated to
make the nap as fine as possible by rubbing it with pumice or seal-skin.
Dyeing
Still wet
from the planking stage, the hat would first require drying before being
placed back on another block for dyeing. The block and hat (sometimes
mounted on a rotating wheel), would be placed in a very large
dyer's copper. This was so large it would often hold ten to
twelve dozen hats at one time! The dyer's copper could be
filled with a dye made of "logwood, verdigris, copperas and alder-bark".
The hat would be kept boiling in this mixture for about an hour and then
removed to cool. This would be repeated ten to twelve times until the
hat became the desired color.
Stiffening and Waterproofing
Stiffening
and waterproofing were the most closely guarded secrets of the Hatter's.
For stiffening, "gum Arabic, common gum and Flaunder's glue", would be
dissolved in water and brushed mostly on the underside of the hat. This
kept the mixture from ruining the outside appearance of the hat. It is
reported that some hats were so stiff that they could support the weight
of a 200 pound man! Waterproofing would probably have occurred earlier,
during the planking stage, by rubbing a ball of "rosin, bee's wax and
mutton suet" on the inside of the hat.
Steaming, Ironing and
Brushing
In order to
make the hat more pliable for a few last finishing touches, steam would
be applied and the hat returned to the block. Any seams would be
disguised. Minor alterations of shape would take place based on the
style of the time. Ironing and brushing would produce a smooth and
glossy surface. Finally, the brim would be turned up slightly and
trimmed with ribbon.
Lining
Once the
desired shape and gloss were produced, an adjustable lining was
carefully sewn in. The hat would be further lined with a leather ban on
the inside lower edge of the hat. Finally, the hat would be complete
with the stamping of the company's trademark on the leather headband.
At last the
hat was ready for market. Considering the lengthy process, from the pelt
being trapped, transported and then transformed in the hatting factory,
it is not surprising that a fine beaver felt top hat was a prized
possession. |