28
It. L. BECKER Fils & C", BRUSSELS
Balances for Scientific Researches
FOR RAPID WEIGHING OSCILLATIONS
X° ii2. Fig. 16. — New
improved short beam
Analytical Balance for
a charge up to 200 gram -
mes in each pan sensible
to '/on milligramme, in
french mahagony glass
ease, front si i ding frame
counterpoised wi th
glass toj) to admit more
ligt on rider. All parts
of the Balance sire moun¬
ted and fastened on
plate glass “/.«inch thick
so that nothing can get
out of order through
warping of tpe wood.
All bearings are agate
planes,steel knife edges.
Beam is graduated in
'/IO,h milligramme and
in such a manner that
the rider can be plaeed
on the centre of the
beam and used from 0 point to either end of the
beam, provided with new improved arrangement
for arrest of pans and beam, rider apparatus and
weighing tubes, pans 7 centimeters in diameter
width of pan support 4 inches.......£ 16 18 o
These balances are made also like Fig. 14 on page 15
Fig. 16. N° 116
N" n3. — Ditto with agate knife edges.......17 8 o
N° 114. — Ditto for a charge up to 5oo grammes in each pan
sensible to ,/I„th milligramme.......21 10 o
N° n5.— The same with agate knife edges . . . . . 22 o o
N° 116. — Ditto fora charge up to 1 kilogr. in each pan,
sensible to ‘/,0th milligramme.......s5 i5 0
N(l 117. — The same with agate knife edges...... 2(3 10 o
With aluminium beam (extra)....... 1100