Dupont Dupont Power Hammer Hammer - Power or Drop

Dupont

Power

Hammer.

274

Hill,

Clarke&Co.,

The

Machinery,

Dupont

Power

Boston

Hammer.

and

Chicago.

275

THE

by
lower
side
ramorheadbymeansofmetal
these
all

per
ing

one

beingnoleather
metallic),

justing.

any

Hammerisoperatedbyan

pin

slidingina

shorten

means

the

arms

side-arms,

the

jarofthe

The

head
minute),
all

chillingofthe

Raisingorlowering

bolt,

The

springisquickly

The

dies

amount

25-lb.
50-lb.

75-lb.
100-lb.
125-lb.
.50-lb.

200-lb.
300-lb.
500-lb.

the

stroke.

of a

connection
ramorhead,toaccommodate
hingedtothe sleeve are

makinganelastic

blow

strikesaquick

and

gets

and

whenatthe

strapstobreakorwear

when

once

are

keyedinhead

within

the

PRICES

Hammer

1 •
.. .<
t.
u
u
u

1.
It

grooveinthe

The

slidingina

from

the

blow

away

from

work.

the

hammerisaccomplishedbyloosening

required

adjustedbythe

adjusted

and

limitofthe

AND

. ..Weight,

adjustable

crank-platetolengthen

crankisconnected

leeveorcollar,

thickorthin

attachedatthe

links,

the

spring

connectionorcushion

running

the

hI

u
..
.c

partsofthe

(at

the

rateof250to350

the

work

instantly,

place

tighteningitagain.

screwsatthe

out

spring

anvil

and

stroke.

WEIGHTS.

IOOO
1200
1500

2000
27OO
3500
4000
5000
9000

(all

seldom

may

.

. .
.
.

.

.

.

.
.
.

crank,

the

crank-

withaspring

to raise

work.

lower

endofthe

being

between

that

takes

machine.

strokes

thereby

connections

needs

varyinthickness

Price

ends.

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1

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1

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1 I
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any

avoid

There

being

read

or

or

Two