NEW ELTHAM, LONDON, S.E.9 
323 
Quote Stanley’s ’A’ Catalogue 
THE “ALLBRIT” PRECISION DISC PLANIMETERS 
RANGE 
Catalogue 
Number 
With pole outside 
area 
With pole inside 
area 
A8I00-A8I0I 
Diameter 7 in. 
Diameter 30 in. 
A8I05-A8I06 
Diameter 17 cm. 
Diameter 75 cm. 
ACCURACY (See Note on page 313). + 0 03% approx. 
WEIGHT OF INSTRUMENT AND SIZE OF CASE IN ENGLISH AND 
METRIC UNITS 
Approximate Weight 
Catalogue 
Number 
Instrument 
only 
Instrument 
in Case 
Approximate Size of Case 
lb. 
oz. 
k g- 
lb. oz. 
kg- 
in. 
cm. 
A8I00- 
A8I0I 
6 
10 
30 
12 0 
5-5 
16 X 9-7 X 3-6 
41 x 24-5 x 9 
A8I05- 
A8I06 
6 
1 1 
30 
12 1 
5-5 
16 X 9-7 x 3-6 
41 x 24-5 x 9 
A8I00 “ Allbrit ” Precision Disc Planimeter, with Calibration Table for English 
Scales, with hand Magnifier, checking rule and instructions for use, in polished 
wood case. 
A8I0I Ditto, but fitted with Magnifier Tracer. 
A8I05 “Allbrit” Precision Disc Planimeter, with Calibration Table for Metric 
Scales. 
A8I06 Ditto, but fitted with Magnifier Tracer. 
N.B.—Checking rules are not supplied with Planimeters fitted with Magnifier Tracer.