Page:Practical Treatise on Milling and Milling Machines.djvu/223

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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
311	16	2/16	24	64	24	24	72
312	39	5/39	24
313	16	2/16	24	32			28	56
314	16	2/16	24	32			24	56
315	16	2/16	24	64			40	24
316	16	2/16	24	64			32	44
317	16	2/16	24	64			24	44
318	16	2/16	24	56	28	48	24
319	29	4/29	26	48	64	24	72		24
320	16	2/16	24
321	16	2/16	24	72	24	64	24		24
322	23	3/23	25	32			64	24	44
323	16	2/16	24	64			24	24	44
324	16	2/16	24	64			32	24	44
325	16	2/16	24	64			40	24	44
326	16	2/16	24	32			24	24	44
327	16	2/16	24	32			24	24	44
328	41	5/41	23
329	16	2/16	24	64	24	24	72		24
330	33	4/33	23
331	16	2/16	24	64	24	24	72		24
332	16	2/16	24	32			48	24	44
333	27	3/27	21	24			72	44
	18	2/18	21	24			72	44
334	16	2/16	24	32			56	24	44
335	33	4/33	23	72	48	44	40		24
336	16	2/16	24	32			64	24	44
337	43	5/43	21	86	40	32	56
338	16	2/16	24	32			72	24	44
339	27	3/27	21	24			56	44
	18	2/18	21	24			56	44
340	17	2/17	22
341	43	5/43	21	86	24	32	40
342	27	3/27	21	32			64	44
	18	2/18	21	32			64	44
343	15	2/15	25	40	64	24	86		24
344	43	5/43	21
345	27	3/27	21	24			40	56
	18	2/18	21	24			40	56
346	27	3/27	21	72	56	32	64
	18	2/18	21	72	56	32	64
347	43	5/43	21	86	24	32	40		24
348	27	3/27	21	24			32	56
	18	2/18	21	24			32	56
349	27	3/27	21	72	44	24	48
	18	2/18	21	72	44	24	48
350	27	3/27	21	72	40	32	64
	18	2/18	21	72	40	32	64
351	27	3/27	21	24			24	56
	18	2/18	21	24			24	56
352	27	3/27	21	72	24	24	64
	18	2/18	21	72	24	24	64
353	27	3/27	21	72	24	24	56
	18	2/18	21	72	24	24	56
354	27	3/27	21	72			48	24
	18	2/18	21	72			48	24
355	27	3/27	21	72			40	24
	18	2/18	21	72			40	24