174 - Htemajlatics. 
“ ^6. A Hair of a healthy yt)ung Man’s 
“ Head, juft then pulled off, fuftained xo6^ 
Grains. 
37. Sevai of theft Hairs when twifted 
were equal in Size to a Horft s Hair, which 
being uncwifted fuftained ^<^35 Grains. 
‘‘ 58. A Horfe's Hair fuftained or 
75>2o Grains. So this Hair which was 3^9 
times bigger than a Angle Silk Thread fuf- 
cained but 7970 Grains, whereas 399 Silk 
Threads would fuftain 33915, that is 4.2 
times more. 
38. A Spider's Thread, fixteen of which 
was equal to a human Hair, fuftained a 
hundred and fifty Grains, and fixteen of 
them 2400 Grains. 
40. Twenty three Threads of the Fi- 
bres of Flax, which all together were equal 
to the Hair of a Horft, fuftained 11710 
Grains,* each of theft Threads, when view- 
ed with a Microfeope, might be ften to be 
compofed of at leaft fourteen more. 
41. Now fuppofing all theft abovcm entl- 
oned Threads to be of the Size of a Horft's 
Hair; then the Number of Grains which 
each can fuftain will be as follows, viz. 
5 
Silk 
