. Canadian machinery and metalworking (January-June 1919). 25 HIIUIIIIIIht I A Heald Internal Grinder j I Ten Years Old and Still on the Job I This internal grinding machine was in-stalled at the Blanchard Machine Com-panys plant at Cambridge, Mass., tenyears ago, and has been running continu-ously ever since on production and preci-sion In the above photograph this machine is = grinding a steel sleeve from which it re- ss moves .025 inches of stock from a hole = 1% diameter x 3-Vj, long to limits of plus =E or minus .0005 in 15 minutes. jsjHeald Internals are not limited to accuracy an
. Canadian machinery and metalworking (January-June 1919). 25 HIIUIIIIIIht I A Heald Internal Grinder j I Ten Years Old and Still on the Job I This internal grinding machine was in-stalled at the Blanchard Machine Com-panys plant at Cambridge, Mass., tenyears ago, and has been running continu-ously ever since on production and preci-sion In the above photograph this machine is = grinding a steel sleeve from which it re- ss moves .025 inches of stock from a hole = 1% diameter x 3-Vj, long to limits of plus =E or minus .0005 in 15 minutes. jsjHeald Internals are not limited to accuracy and production, but do angular and face = grinding on all kinds of work. Different == style heads, instantly interchangeable, =j make this machine practically a universal = grinder. 3 Notice the lower cut and see if it is not a == machine that you would be proud to have EE in your shop. = The Heald Machine Co. j Worcester Mass. 5 AGENTS: New York. 83<J Singer Bldg. Philadelphia, 1308 Com-monwealth Bldg. Chicago, 24 South Jefferson St. Detroit, 911Majestic Bide. Cincinnati. 31] Provident Bank Bldg. Engineers Bldg. WESTERN AGENTS: Eccles & Smith San Francisco, LosAngeles and Portland. Salt Lake Hardware Utah a-nd AGENTS: Alfred Herbert, England. SocieteAnonyme. Alfred Herbert, France, Switz
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
