. Canadian forest industries January-June 1920. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. The Jeffrey Square Shank Pi struction eliminates all rock- ing motion in the side bar. Jeffrey Square Shank Pin Construction The hard smooth steel pins with the square shanks fit into per- fectly square holes. The bearing surface is the full width of the pin. We are the originators of this type of chain and have been building and improving it for 25 years. JEFFREY CHAINS For Conveyer Service in Handling Logs, Lumber, Mill Refuse, Slabs, &c. Not just c
. Canadian forest industries January-June 1920. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. The Jeffrey Square Shank Pi struction eliminates all rock- ing motion in the side bar. Jeffrey Square Shank Pin Construction The hard smooth steel pins with the square shanks fit into per- fectly square holes. The bearing surface is the full width of the pin. We are the originators of this type of chain and have been building and improving it for 25 years. JEFFREY CHAINS For Conveyer Service in Handling Logs, Lumber, Mill Refuse, Slabs, &c. Not just chains, but chains that combine all the qualities and features demanded where greatest production or capacity is to be ob- tained. Nearly forty years of Chain building experi- ence and knowledge of the Lumber In- dustry's needs makes the recommendations of Jeffrey Engineers valuable to you. We ask the opportunity to prove our claims to you. Write for Catalog. The Jeffrey Mfg. Co. Canadian Branch and Warerooms MONTREAL. Jeffrey Detachable Chain The type most generally used for Chain Drives. With F-2 At- tachments to carry flights. Detachable Chains make good saw dust Conveyers. Long Link Coil Chain For Log Hauls with S-iy2 Spurs. For Heavy or Light Refuse and Slab Conveyers, use U Bolt or K-5 Attachments to carry flights or Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Don Mills, Ont. : Southam Business Publications
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforestsandforestry
