Society of Glass Technology · [Sheffield] · leaf 540
hefloor of the lehr, and of means automatically controlled for slowlymoving the movable bars above and below the fixed bars, andforwards and backwards in short steps of a length adapted toclear one row of articles from the next succeeding row wherebythe articles are slowly moved through the lehr.… … Fig. 97. The front end of the lehr is shown in sectional plan in Fig. 97.The walls, crown, burner arrangement, etc., may be of any desiredform,- but the floor is made up of fixed bars, 8, alternating withmovable bars, 9, the bars being arranged close to one another.Mechanism for moving the bars, 9,…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
