List of Patents for new Inventions. 79 
points due north and south, and which is capable of adjustment 
according to the known or observed variation of the magnetic 
needle.—25th Nov.—2 months. 
To Join Cragg, of Liverpool, in the county palatine of Lan- 
easter, Esq. for certain improvements in the facing of exterior 
and interior walls of Gothic or other structures, built of brick or 
other material, with strong milled or sawn slates bound and se- 
cured by mouldi ngs, grooves and ties of cast iron, in such a 
manner as to have the appearance, when sanded, of finely wrought 
stone-work in ornamental pannels or otherwise, with ceilings of 
correspondent tracery form and character of the same materials, 
which may be supported by pointed arches rising from single or 
clustered columns of cast iron or otherwise; and in capping but- 
tresses in Gothic architecture with highly enriched pinnacles or 
finials of cast iron only; the which being connected by metal, with 
the spouts also of metal, and carried down to the ground. from 
conductors for the protection of lofty buildings from the effect of 
lightning ; also for a spiral stain (wholly of cast iron) of a light 
and simple construction, which may be carried up or inserted 
within the corner of a buttressed tower wall, or in the cylinder 
of a small turret; by which mode of facing, adorning, and con- 
structing the said ‘several parts, churches or other buildings of 
pure Gothic design may be erected of brick, and finished with 
light ornamental carved-work of appropriate taste and elegance, 
at less expense than if wrought in stone, and in materials that 
will endure.—29th Nov.—2 months. 
To Maurice De Jough, of Kentish Town, in the county of 
Middlesex, for his imprevements in the method or methods of 
manufacturing or preparing madder roots and madder.—29th 
Nov.—2 months. 
To Isaac Willson, of the city of Bath, gentleman, for certain 
improvements upon stove-grates to prevent smoky rooms, and for 
ohtaining an increased heat from the saine quantity of fuel —29th 
Nov.—6 months. 
Yo Samuel Tyrrell; of Peddinghoe, in the county of Sussex, 
farmer, for his broad-cast sowing machine.— 4th Dee. —2 
months. 
To John Bateman, of the township of Wyke, i in the county of 
York, for his improvement on musical instruments.—9th Dec.— 
6 months. 
To Thomas Wright, of Great St. Helen’s, in the city of Lon- 
don, broker, for his improved method of making a composition 
or mixture for dyeing scarlet and other colours.—9th Dec.— 
6 months. 
~ To John Swarbreck Rogers, of the city of Chester, merchant, 
for his mode of s;+nning or making a species of wool into yarn, 
either 
