IMPROVEMENTS IN CHEQUES, BILLS, RECEIPTS, AND OTHER IMPORTANT DOCUMENTS, AND IN APPARATUS FOR WRITING OR FILLING-IN MATERIAL PARTS OF THE SAME TO PREVENT FRAUDULENT ALTERATIONS, WHICH APPARATUS IS ALSO APPLICABLE FOR OTHER PURPOSES
Year: 1878

page_text: LETTERS PATENT to Henry Blandy, of No. 1, Postern Street, Nottingham,
Dental Surgeon, for the Invention of "IMPROVEMENTS IN CHEQUES, BILLS,
RECEIPTS, AND OTHER IMPORTANT DOCUMENTS, AND IN APPARATUS FOR
WRITING OR FILLING-IN MATERIAL PARTS OF THE SAME TO PREVENT
FRAUDULENT ALTERATIONS, WHICH APPARATUS IS ALSO APPLICABLE FOR
OTHER PURPOSES."
Sealed the 11th October 1878, and dated the 17th May 1878.
PROVISIONAL SPECIFICATION left by the said Henry Blandy at the
Office of the Commissioners of Patents on the 17th May 1878.
HENRY BLANDY, of No. 1, Postern Street, Nottingham, Dental Surgeon. “IM-
PROVEMENTS IN CHEQUES, BILLS, RECEIPTS, AND OTHER IMPORTANT DOCUMENTS,
AND IN APPARATUS FOR WRITING OR FILLING-IN MATERIAL PARTS OF THE SAME
TO PREVENT FRAUDULENT ALTERATIONS, WHICH APPARATUS IS ALSO APPLICABLE
FOR OTHER PURPOSES."
The object of this Invention is to prevent forgery or fraudulent alterations of
choques, bills, and such like by the crasure, say, of the written part which indicates
the amount for which the cheque or bill was drawn and the substitution of other
sums than those originally written. This I effect by the use of a machine for per-
forating the said sums through the cheque or bills at the same time that they are
written, so making the sums permanent.
The cheque or other document to be filled in is placed under and upon carbon or
other oiled and coloured paper, and the document is filled in by the perforator used
as an ordinary pen. The passage and withdrawal of the perforating needle through
the paper and into the carbon paper below so colors the perforations in the paper
that the words written are perfectly legible, and if any attempt is made to alter
the cheque or other document the more trouble spent in doing so the more indelible
does the writing become.

page_text: The perforator which the writer holds consists of a small tube, through which
passes a piston, terminating in a very small needle. The neodle vibrating with
great rapidity projects at each stroke from the pointed extremity of the tube suffi-
ciently to pass through the paper and carbon paper above and below into some soft
substance, such as cloth, suitably arranged.
In place of using carbon or other colored paper the needle may be supplied with
a suitable ink.
The needle may be tubular and supplied with ink through a small flexible
tube; or a grooved needle may be used and be supplied with ink externally by
passing through absorbent material saturated with ink, or in other manner. The
needle is actuated by a small crank placed upon the top of the tube, which crank
derives its motion from the revolution of a light flexible shaft or spindle attached to
a pulley, so arranged that it has ample compensating motion for the distance the
said tube may be moved in the act of writing.
The flexible shaft I form by preference of a tubular sheath which is secured to the
headstock and pen. Through the sheath passes the revolving shaft, which I make
by preference of ductile and pliant rounded leather. Flexible shafts so formed may
be used for other purposes.
The headstock alluded to I mount on a pivot, so that it is free to turn with
the slightest pressure, and thus allows the hand the greater freedom in guiding
the pen.
The pulley may be driven in any suitable manner.
The perforating apparatus above described can be used for the purpose of auto-
graphic printing and designing.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Henry Blandy in the Great Seal Patent Office on the 16th
November 1878.
"IM-
HENRY BLANDY, of No. 1, Postern Street, Nottingham, Dental Surgeon.
PROVEMENTS IN CHEQUES, BILLS, RECEIPTS, AND OTHER IMPORTANT DOCUMENTS,
AND IN APPARATUS FOR WRITING OR FILLING-IN MATERIAL PARTS OF THE SAME
TO PREVENT FRAUDULENT ALTERATIONS, WHICH APPARATUS IS ALSO APPLICABLE
FOR OTHER PURPOSES."
The object of this Invention is to prevent forgery or fraudulent alterations of
cheques, bills, and such like by the erasure, say, of the written part which indicates
the amount for which the cheque or bill was drawn and the substitution of other
sums than those originally written. This I effect by the use of a machine for per-
forating the said sums through the check or bills at the same time that they aro
written, so making the sums permanent.
The cheque or other document to be filled in is placed under and upon carbon or
other oiled and coloured paper, and the document is filled in by the perforator used
as an ordinary pon. The passage and withdrawal of the perforating needle through
the paper and into the carbon paper below so colors the perforations in the paper
that the words written are perfectly legible, and if any attempt is made to alter the
cheque or other document the more trouble spent in doing so the more indelible does
the writing become.
The perforator which the writer holds consists of a small tube, through which
passes a piston terminating in a very small needle. The needlo vibrating with
great rapidity projects at each stroke from the pointed extremity of the tube suffi-
ciently to pass through the paper and carbon paper, above and below, into some soft
substance, such as cloth, suitably arranged.
In place of using carbon or other coloured paper the needle may be supplied with
a suitable ink.
The needle may be tubular and supplied with ink through a small flexible tube;
or a grooved needle may be used and be supplied with ink externally by passing
through absorbent material saturated with ink, or in other manner.
The needle is
actuated by a small crank placed upon the top of the tube, which crank derives its
motion from the revolution of a light flexible shaft or spindle attached to a pulley
so arranged that it has ample compensating motion for the distance the said tube
may be moved in the act of writing.
The flexible shaft I form by preference of a tubular sheath which is secured to
the headstock and pen. Through the sheath passes the revolving shaft, which I
make by preference of ductile and pliant rounded leather. Flexible shafts so formed
may be used for other purposes.
The headstock alluded to I mount on a pivot, so that it is free to turn with
the slightest pressure, and thus allows the hand the greater freedom in guiding
the pen.
The pulley may be driven in any suitable manner.
The perforating apparatus above described can be used for the purpose of auto-
graphic printing and designing.
In order that my said Invention may be most fully understood and readily carried
into effect, I will proceed to describe the Drawings hereunto annexed.
DESCRIPTION OF THE DRAWINGS.

page_text: The head c carries the axis of a small pulley & which is driven by an endless cord e.
The cord e also passes around a large wheelf which receives motion from a treddle g,
so that by means of these parts the pulley & can at pleasure be rotated at high
velocity. is a flexible sheath, attached at one end to the head c, and at the
other to the perforator i, of which an elevation partly in section is shown at
Figure 3. Through the sheath a flexible shaft k passes; it is fixed at one end to
the axis of the pulley d, and at the other to the axis of an eccentric within the
upper part of the perforator i. This eccentric thus rotates with the pulley & what-
ever position may be occupied by the perforator when it is held in the hand and
used in writing as an ordinary pen. The eccentric / receives an eccentric strap m
to which the long piston or stem n is connected by a pin joint. The stem n ter-
minates at its lower end in a fine needle-like point; o, o, are small guide pulleys
mounted upon the standard 6 to keep the band or cord e in the plane of the wheel f
whatever may be the position to which the head c may be turned.
A front elevation, partly in section, of the perforator is seen at Figure 4.
Having thus described the nature of my said Invention, and the manner of per-
forming the same, I would have it understood that I claim,--
First. The means for preventing fraudulent alterations in cheques, bills, receipts,
and other important documents, substantially as described.
Second. The apparatus for the production of perforated writing, substantially as
described, and represented in the annexed Drawings.
In witness whereof, I, the said Henry Blandy, have hereunto set my hand
and scal, this Fifteenth day of November, in the year of our Lord One
thousand eight hundred and seventy-eight.
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