NEW ELTHAM, LONDON, S.E.9 
115 
Quote Stanley’s 'A' Catalogue 
WEIR GAUGES 
A1905 
AI905 Weir Gauges, Symon’s Hook Gauge, for measuring depth of water over a sill or 
rock, to ascertain quantity of flow, simple slide with vernier reading lOOths 
of an inch. 
AI906 Ditto, with improved screw adjustment to slide. 
WATER STETHOSCOPE 
A1907 
AI907 Water Stethoscope. Used for detecting leakage or waste of water. The 
instrument consists of a stick carrying a sound box at the top. In use, the 
lower end of the stick is placed on the water pipe or main, and any flow of water 
may be detected by placing the ear to the sound box. For portability the top 
can be unscrewed and carried in the pocket and the remainder used as a walking 
stick 
SIEVES 
AI9I0 Cement Sieves, spun brass rims, 4 in. in diameter, phosphor bronze 
gauze, 50 mesh ... ... ... ... ... ... ... ... each 
AI9II Ditto, with wood rims, 8 in. in diameter, and brass mesh, 3J in. deep, 
20 mesh ... ... ••• ••• ••• ••• ••• ••• each 
AI9I2 Ditto, ditto, 40-50 mesh each 
AI9I3 Set of 6 Sieves, with japanned tin rims, 6 in. in diameter, Mesh Nos. 
100, 130, 150, 180, 240 and 300, with lid and receiver each