Typical calibration resultsshowF&PAccurette precision burette meets NBS C434. Compare results with conven tional $9.00 precision b u r e t t e . . . conventional $5.00 laboratory burette.
NBS CIRCULAR C434 LIMITS
READINGS (ml)
NEW , , , Λ Τ
F * Ρ
A.CCUVette
LITTLE
M O R E
BURETTES T Η Α Κ
Old fashioned burette manufacturing relied on costly multiple point calibration techniques to compensate for non-uniform tube diameter. The more points calibrated, the more accurate—and expensive—the burette. As a result, a 50ml burette to C434 specs had to be priced in the ten dollar range. NOW . . . advanced Fischer & Porter techniques hold tube diameter uniform to tolerances of ±0.0002". Tubes are automatically calibrated with uniform markings, completely eliminating tedious multiple point calibration. The F&P technique assures a bur ette of equal or greater accuracy for only five dollars . . . a substantial saving. Available in 10, 25, 50, and 100 ml sizes, the new Accurette burettes are fabricated of hard, borosilicate glass, and are furnished with a straight glass stopcock, a three-way stopcock for filling, or an automatic-
F I S C H E R
m ΪΞ Ε Y
HALF
THE
C 4 3 4
-ΐ * * ·-
