Illustrated Catalogue of Locks and Builders Hardware . 4—Cast Bronze Front, Polished, Two Cylinders. PUT UP WITH TWO HAND REQUIRED. 1^ Operation—Outside by key at all times and by thumb piece, except when thumb piece is dead lockedby shut out key from inside. Inside by thumb piece at all times. Inside key operates stop work only, MASTER KEYING. Master Keyed and Grand Master-Keyed in sets as desired with other Springer Master-keyed Cylinder Locks. p (One Half Size Illustrations), ^^ 1 6 The Springer Lock Manufacturing Company, Limited ii CYLINDER MORTISE LOCKS FOR SCHOOLS AND
Illustrated Catalogue of Locks and Builders Hardware . 4—Cast Bronze Front, Polished, Two Cylinders. PUT UP WITH TWO HAND REQUIRED. 1^ Operation—Outside by key at all times and by thumb piece, except when thumb piece is dead lockedby shut out key from inside. Inside by thumb piece at all times. Inside key operates stop work only, MASTER KEYING. Master Keyed and Grand Master-Keyed in sets as desired with other Springer Master-keyed Cylinder Locks. p (One Half Size Illustrations), ^^ 1 6 The Springer Lock Manufacturing Company, Limited ii CYLINDER MORTISE LOCKS FOR SCHOOLS AND PUBLIC BUILDING ENTRANCE DOORS 2 4042403. LOCK 24 CASE THICKNESS %-/ Back Set 2yi m. Spacing 4-5 /IS. A, B, C, E case-hardened steel , G. H, J dust-proof housing for latches,mortise cyhnder detailed on page 117. Used with FUNCTIONING MEMBERS 2401240224032404250424062409 Lock Face, 2412 Main Latch Bolt. 2413 Cylinder Screw. 2414 Lock Cap. 2415 Lock Case. 2417Main Latch Bolt Tail Piece. 2418Auxiliary Bolt. Machine Screw, Dog Cylinder Auto Control. Latch Retracting Retractor Lever. 2419 Bar Latch Lift. 2420 Thumb Latch Lift. 2422 Spring (Band). 2423 Spring (Band). 2424 Spring (Compression). 2425 Spring (Band). 2426 Spring (Torsion). Features—Extra heavy functioning members, eight (8) moving parts made of manganese bronze or hard bolts, enclosed in housings J and F to prevent matches, toothpicks or pebbles, etc. being crowded intoworks, also keeps inner works dust-proof. Extended face type, providmg a very long swmg latch_ bolt, msurmgeasy action, plus a ver
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Keywords: ., bookcentury1900, bookdecade1920, bookidillustratedc, bookyear1920
