574 
[Jan, If 
List of Nt'zo PuhlicaiioHs ni Decemoere 
at^d al! other musical instruments which are 
required to be metallic, will be imjjioved 
in proportion to the quantity of those re¬ 
quisites applied to compose.such strings. 
Hie material which lias been m general 
use for strings, of th.e upper notes parti¬ 
cularly,'being of the greatest elasticity, 
combined with strength, only requires an 
increase of specific gravity to improve 
them, which may be elfected by en¬ 
twining or covering witlia metal, or com- 
fiosition of metals, drawn into wire, 
whose specific gravity is considerably 
more than that of the covered strings ; 
f()r this purpose Mr. B. makes use of 
platina, being the metal of the greatest 
specific gravity, to increase the power of 
vibration. The application or mode of 
combining or connecting it with any 
other metal or material which may be 
used to form a string, Mr. Bundy claims 
as his invention, and he calls such appli- 
Cvatiou a philosophical improvement. In 
the use of this heavy metal, it is found 
that the purity and powt'rof tone is in¬ 
creased with the quantity used ; but the 
strength of the string covered, whether 
brass, iron, &c. must determine t!ie 
quantity ; for, if too much platina be used, 
the string will not stand drawing up to 
its proper tension. To fix the platina 
wire on the covered strings so firmly as 
to withstand the agitation while vt- 
btating, without disturbing the intimate 
cornu ction of the riitierent metals, 
and preserve the vibration from being 
clogged by continuing the covering be¬ 
yond the pins, the covered wire is made 
rough by means of a file, which prepares 
the string to receive the cowering of pla¬ 
tina wire in,to the indents made by the 
file, and renders it perfectly secure, 
though the ends terminate within the 
pins. “ This method,” says INlr. Bundy, 
I claim as my invention, for securing 
the covering of strings with wire of any 
ductile metal, whose ends of covering are 
secured and terirniiate within the guide- 
pin and bridge-pin. Strings haade of 
animal substances, as gut or silk, have 
the power of vibration much increased 
by being covered with platina wire, in¬ 
stead of wire of inferior specific gravity, 
though the weight of the metal covering 
be equal, from the advantage of its de¬ 
creased bulk compared with otlier me¬ 
tals.” The strings for a violoncello, 
double-bass harp, and all other instru¬ 
ments whose strings are composed of 
animal substance, are improved by a 
covering with platina wire, giving the 
same weight as is now in use of common 
metal wire to covered strings, %vhich Mr. 
Bundy claims as his invention. 
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