Relative Strength of Fibres.

To Messrs. Frost Brothers, rope-manufacturers and yarn-spinners, of London, I am indebted for the following tabulated statement, showing the relative strength of five different fibres:—

Tests of the following Fibers, Fifty Yams of each Fibre, all spun 25-thread, and by the same Machinery, showing the Average of each Ten Yarns.

Manila.	Italian.	New Zealand.	Sisal.	Europe.
225	210	155	115	87
284	180	160	130	92
285	165	178	136	162
185	245	140	150	142
230	232	121	105	115
245	225	155	110	80
260	320	130	117	80
200	210	143	150	152
215	288	143	135	155
220	228	102	116	150
2,349	2,303	1,427	1,264	1,215
234*	230*	142*	126*	121*page 13
265	125	130	119	117
300	247	161	140	130
210	228	120	75	90
308	175	105	110	140
246	222	179	130	113
292	240	155	170	160
170	190	168	106	186
266	227	150	117	130
165	262	184	125	122
296	280	125	70	135
2,518	2,196	1,477	1,162	1,323
251*	219*	147*	116*	132*
280	295	160	135	70
180	205	144	155	140
232	185	147	100	129
162	202	156	105	120
165	220	98	148	142
245	238	134	112	150
215	150	120	182	117
310	255	162	83	80
230	260	152	147	98
282	205	158	166	112
2,301	2,215	1,431	1,333	1,158
230*	221*	143*	133*	115*
280	187	147	106	143
245	220	150	120	144
280	165	128	161	116
290	205	140	113	157
200	268	165	147	112
230	147	125	178	100
290	288	130	126	116
255	238	134	135	112
212	255	165	130	88
231	222	120	170	121
2,513	2,205	1,404	1,386	1,209
251*	220*	140*	138*	120*
290	160	142	95	120
300	255	146	180	115
250	166	161	140	177
270	265	138	150	140
310	260	90	70	100
320	165	146	130	135
195	218	157	150	134
210	260	161	120	98
260	155	146	100	130
210	240	140	120	90
2,615	2,144	1,427	1,255	1,239
261*	214*	142*	125*	123*