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TAE MarRINE REVIEW 15 The Keymer Wedge Keel Block A Steel device design- ed to facilitate launch- ings and replace the wooden keel blocks now used. RAISED f LOWERED The standard size Keymer block will raise a twenty ton load with only two hundred and ninety pounds resistance on a fifteen inch leverage and proportionately less on Jarger leverage. 'The blocks can be placed in any close quarters, yet easily operated in either direction. They will stay in position regardless of load. Can be readily removed and replaced in any position in afew moments. The Keymer keel block has two pairs of wedges which slide upon each other by means of aright and left hand threaded screw. The average vertical movement of the cover is two inches, but that point is regulated by the size of the blocks. These blocks give a wonderful facility at launchings and will quickly replace the wooden blocks commonly used, as they are permanent articles. We will be pleased to send at your request a superintendent with blocks to give a practical demonstration of their utility. THE KEYMER MFG. CO. 2021 West 100th Street CLEVELAND, OHIO SAW DOLET 'eee toes ete ten) The Ship Flooring Co., Cleveland, Ohio ~via ascoo.| 'Dhat protects the steel deck Got ore in the Year 1907 That is not slipper y. Reais gees That is placed directly on "fia wie yao eae the steel deck land, Ohio ""Crete,'? Lackawanna Steamship Co., Cleve- nore : That is right in price ""Cyprus," Lackawanna Steamship Co., Cleve- land, Ohi " adriaticy" Lackawanna Steamship Co.,Cleve- That is clean and sanitary and, Ohio SN . back St hip Co., Cleve- GER aeetena ee ' 'That. is, light, stroma amd J. i aa Peete Steamship Co., : evelan "Elba (gee Steamship Co., Cleve- flexible land, Ohio eS ¢& Co., Cl land, en ea eerie That can be laid in any color, | yueen len Pittsburg Steamship Co., Cleve- 5 land io anywhere THE C. CLEMENTE COMPANY Park Bldg., Cleveland, O.