4

INDEX.

Page

Meighan’s alarum lock . . 440

Meeting of Civil Engineers ,

1850—Mr. Chubb’s paper“on the construction of locksand keys ” ... 544

Milner’s test at Preston . 813

Milner’s extended demonstra-tion at Edinburgh in 1855 . 73

Milner's fire-proof composition 75,77

„ solid powder - prooflock . . . 108, 111

Mitchell and Lawton’s lock 349

Miles’s lock . . . 655

Modern lock cases for safes 42Mordan’s lock protector . 424Morris’s direction padlock . 500Modern locks . . . 583

Multiple locks . . 238,498

Nettlefold’s lock . . 450,667

„ flush bolt lock . 670Newell’s (America) lock . 470Newton's lock . . 656, 673

Newall’s improvement in locks 502Norton’s lock . . . 339

Oak chests .... 5

Odell’s latch . . . 331

Old French tumbler locks . 247

Parsons’ balance lever lock . 432„ lever tumbler . 434

„ slip bolt lock . . 434

„ change lock . . 438

Tarautoptic lock . . 470

Parnell’s defiance lock . 592

„ lock . . . 629

Patents granted for locks andlatches since the closing ofthe Great Exhibition , 1851 586

Patent locks, prices of . . 812

Peirce’s lock . . . 455

Pedley’s lock . . . 333

Perry’s improvements in flushbolt locks .... 459Pitt’s improvements in latchbolts ..... 482Pickin’s improvements in locks 483

Page

Pit coal, when first used forsmelting iron in this district 850Powder-proof lock . .106

Pompeian keys . . .190

Poole’s lock .... 484Plante’s lock . . . 501

Plates and sheets, thickness ofiron . . . .910

Picking instruments . 555, 556

Price’s patent safes . . 39

„ „ gunpowder-proof

lock case .... 50

Price’s patent bankers’ safes . 57

„ „ merchants’double

hook safe . . . .59

Price’s patent model countinghouse safe .... 60

Price’s patent plate cabinet andcash and deed safe . . 62

Price’s patent deed chest . 64

„ test at Manchester . 83

„ patent steam-tight parch-ment box .... 90

Price’s patent gunpowder-prooflock . . . .114

Price's lock .... 267Preservation of parchment

deeds . . 89,159,171

Prices of key bows . . 784

„ of bright and japannediron cabinet and other com-mon locks . . . 832

Prices of locks . . . 812

Pressing, when first introducedinto Willenhall . . . 865

Plot’s (Dr.) History of Stafford­ shire .... 787Puzzle lock . . . 205

Eegnier’s letter lock . . 210

Reaumur on locks . . . 231

Restell’s locks . . 519, 597

Richards’ locks . . . 414

Soman keys . • . 193

Eowntree’s lock . . .327

Roberts’ lock . . • 345

Rock’s improvements in locks 478Rutherford’s lock . . . 428