Page:Practical Treatise on Milling and Milling Machines.djvu/220

---

INDEX TABLE 169 to 214.

Number of Divisions	Index Circle	No of Turns of Index	Graduation	Gear on Worm	No. 1 Hole		Gear on Spindle.	Idlers
					1st Gear on Stud.	1st Gear on Stud.		No. 1 Hole	No. 2 Hole
169	20	5/20	48	32			72	24	44
170	17	4/17	45
171	21	5/21	47	56			40	24	44
172	43	10/43	44
173	27	6/27	43	72	56	32	64
	18	4/18	45	72	56	32	64
174	27	6/27	43	24			32	56
	18	4/18	43	24			32	56
175	27	6/27	43	72	40	32	64
	18	4/18	43	72	40	32	64
176	27	6/27	43	72	24	24	64
	18	4/18	43	72	24	24	64
177	27	6/27	43	72			48	24
	18	4/18	43	72			32	44
178	27	6/27	43	72			32	44
	18	4/18	43	72			32	44
179	27	6/27	43	72	24	48	32
	18	4/18	43	72	24	48	32
180	27	6/27	43
	18	4/18	43
181	27	6/27	43	72	24	48	32		24
	18	4/18	43	72	24	48	32		24
182	27	6/27	43	72			32	24	44
	18	4/18	43	72			32	24	44
183	27	6/27	43	48			32	24	44
	18	4/18	43	48			32	24	44
184	23	5/23	42
185	37	8/37	42
186	27	6/27	43	48			64	24	44
	18	4/18	43	48			64	24	44
187	27	6/27	43	72	48	24	56		44
	18	4/18	43	72	48	24	56		44
188	47	10/47	40
189	27	6/27	43	32			64	24	44
	18	4/18	43	32			64	24	44
190	19	4/19	40
191	20	4/20	38	40			72	24
192	20	4/20	38	40			64	44
193	20	4/20	38	40			56	44
194	20	4/20	38	40			48	44
195	39	8/39	39
196	49	10/49	38
197	20	4/20	38	40			24	56
198	20	4/20	38	56	28	40	32
199	20	4/20	38	100	40	64	32
200	20	4/20	38
201	20	4/20	38	72	24	40	24		24
202	20	4/20	38	72	24	40	48		24
203	20	4/20	38	40			24	24	44
204	20	4/20	38	40			32	24	44
205	41	8/41	37
206	20	4/20	38	40			48	24	44
207	20	4/20	38	40			56	24	44
208	20	4/20	38	40			64	24	44
209	20	4/20	38	40			72	24	44
210	21	4/21	37
211	16	3/16	36	64			28	44
212	43	8/43	35	86	24	24	48
213	27	5/27	36	72			40	44
214	20	4/20	38	40	56	32	64		24