Page:Practical Treatise on Milling and Milling Machines.djvu/222

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INDEX TABLE 271 to 310

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
271	49	7/49	26	56			72	24
	21	7/49	26	56			72	24
272	49	7/49	26	56			64	24
	21	3/21	26	56			64	24
273	49	7/49	26	24			24	56
	21	1/321	28	24			24	56
274	49	7/49	26	56			48	44
	21	1/321	28	56			48	44
275	49	7/49	26	56			40	44
	21	3/21	28	58			40	44
276	49	7/49	26	56			32	44
	21	3/21	28	56			32	44
277	49	7/49	26	56			24	44
	21	3/21	28	56			24	44
278	49	7/49	26	56	32	48	24
	21	3/21	28	56	32	48	24
279	27	4/27	28	24			32	24	44
280	49	7/49	26
	21	3/21	28
281	49	7/49	26	72	24	56	24		24
	21	3/21	28	72	24	56	24		24
282	43	6/43	26	86	24	24	56
283	49	7/49	26	56			24	24	44
	21	3/21	28	56			24	24	44
284	49	7/49	26	56			24	24	44
	21	3/21	28	56			32	24	44
285	49	7/49	26	56			40	24	44
	21	3/21	28	56			40	24	44
286	49	7/49	26	56			48	24	44
	21	3/21	28	56			48	24	44
287	49	7/49	26	24			24	24	44
	21	3/21	28	24			24	24	44
288	49	7/49	26	28			32	24	44
	21	3/21	28	28			32	24	44
289	49	7/49	26	56	24	24	72		44
	21	3/21	28	56	24	24	72		44
290	29	4/29	26
291	15	2/15	25	40			48	44
292	49	7/49	26	28			48	24	44
	21	3/21	28	28			48	24	44
293	15	2/15	25	40			48	44
294	49	7/49	26	24			48	24	44
	21	3/21	28	24			48	24	44
295	15	2/15	25	48			32	44
296	37	5/37	26
297	33	4/33	23	28	48	24	56
298	49	7/49	26	28			72	24	44
	21	3/21	28	28			72	24	44
299	23	3/23	25	24			24	56
300	15	2/15	25
301	43	6/43	26	24			48	24	44
302	16	2/16	24	32			72	24
303	15	2/15	25	72	24	40	48		24
304	16	2/16	24	24			48	44
305	15	2/15	25	48			32	24	44
306	15	2/15	25	40			32	24	44
307	15	2/15	25	72	48	40	56		24
308	16	2/16	24	32			48	44
309	15	2/15	25	40			48	24	44
310	31	4/31	24