Improved Means for Destroying Insects in Greenhouses and like Places.
Year: 1896

page_text: Date of Application, 29th Aug.. 1896
Complete Specification Left, 3rd May, 1897-Accepted, 5th June, 1897
PROVISIONAL SPECIFICATION.
Improved Means for Destroying Insects in Greenhouses and
like Places.
We, WILLIAM WILLIAMSON of Provident Cottage, Vale Road, Guernsey,..
Chemist's Assistant, aud JOHN DE GARIS BOURGAIZE of The Shrubberios,..
Vale Road, Guernsey, Fruit Grower do hereby declare the nature of this invention.
to be as follows:-
This invention relates to improved means for destroying the fly, spider, and other-
insects which attack fruit and plants.
According to this invention it is proposed to effect the desired result by
vaporizing a mixture of ferrocyanide of potassium dissolved in water and
sulphuric acid.
By experiment we judge that satisfactory results will be attained by
dissolving 1 lbs. of ferrocyanide of potassium in gallon of water, and adding
thereto about 8 oz. of commou sulphuric acid previously mixed with about 1 pints.
of water, and heating this mixture or a portion of same so as to cause evaporation..
A convenient means for such heating may consist of a lamp above which is.
supported a glass, earthenware or suitable evaporating vessel.
Date the 00sh dex of A nanet 1806
PHILIP M. JUSTICE,
55 & 56 Chancery Lane, London, Chartered Patent Agent,.
For the Applicants.
COMPLETE SPECIFICATION.
Improved Means for Destroying Insects in Greenhouses and
like Places.
We, WILLIAM WILLIAMSON of Provident Cottage, Vale Road, Guernsey,.
Chemist's Assistant, and JOHN DE GARIS BOURGAIZE of The Shrubberies,
Vale Road, Guernsey, Fruit Growor, do hereby declare the nature of this
invention and in what mauuer the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
This invention relates to improved means for destroying the fly, spider, and
other insects which attack fruit and plants.
According to this invention it is proposed to effect the desired result by
vaporizing a mixture of ferrocyanide of potassium dissolved in water and
Bulphuric acid.
By experiment we judge that satisfactory results will be attained by
dissolving 1 lbs. of ferrocyanide of potassium in gallon of water, and adding
thereto about 8 oz. of common sulphuric acid previously mixed with about 1 pints.
of water, and heating this mixture or a portion of same so as to cause evaporation..
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page_text: A convenient means for such heating or evaporization is illustrated in the accom-
panying drawing in which is shown a lamp a, above which is supported by a bent
wire or other suitable means, a glass, earthenware, or suitable evaporating
vessel e in which the solution is contained.
It will be understood that the proportions mentioned are those which have been
found satisfactory, but that some variation of them may be made without departing
from our invention.
Having now particularly desoribed and ascertained the nature of our said
invention and in what mannor the same is to be performed, we declare that what
we claim is :-
1. For the purpose of destroying insects in greenhouses and, like places, a
solution consisting of ferrocyanide of potassium, water, and sulphuric acid,
substantially as described.
2. The improved means for destroying insects in greenhouses and like places,
substantially a decoribed
29th day of April 1897.
PHILIP M. JUSTICE,
55 & 56 Chaucery Lane, London, Chartered Patent Agent,
For the Applicants.