Number of establishments re-

397

Hammers - steam, power, and drop:

Number..........................

857

Value....................................

$671,287

Forging machines, including bolt headers, and all other machines for forging hot metal with dies and by pressure:

Number..........................

821

Value....................................

$424,774

Stamping, flanging, and forming machines for plate and sheet metal:

Number..........................

7,895

Value....................................

$1,180,960

Punching and shearing machines:

Number..........................

5,269

Value....................................

$1,219,605

Bending and straightening rolls:

Number..........................

914

Value....................................

$202,230

Riveting machines:

Number..........................

202

Value....................................

$139,295

Lathes:

Hand -

Number..........................

3,945

Value....................................

$306,081

Engine -

Number..........................

12,089

Value....................................

$4,451,867

Turret, including all automatic or semi-automatic lathes for making duplicate pieces -

Number..........................

3,687

Value....................................

$2,449,121

Boring and turning mills or vertical lathes:

Number..........................

534

Value....................................

$1,123,314

Boring and drilling machinery, including all machines using drills or boring bars:

Number..........................

22,890

Value....................................

$2,779,983

Planers, including plate-edge planers:

Number..........................

1,543

Value....................................

$1,808,955

Slotters and shapers:

Number..........................

3,076

Value....................................

$1,136,350

Milling machines, including all machines using a milling cutter:

Number..........................

4,119

Value....................................

$2,171,966

Sawing machines:

Number..........................

2,846

Value....................................

$222,563

Grinding and polishing machinery, including all machines using abrasive cutters:

Number..........................

10,014

Value....................................

$880,965

Bolt, nut, and pipe threading and tapping machines:

Number..........................

2,088

Value....................................

$698,362

Pneumatic hand tools:

Number..........................

6,751

Value....................................

$143,325

All other metal working machines, value..............

$2,726,901

All other products, value...................

$16,375,956

Amount received for custom work and repairing................

$3,271,369

Total value of all products..............

$44,385,229

- U. S. Census Bulletin.