For measurement of heights and setting of slopes and falls. Polished brass arc 74 mm. diameter divided 90-0-90°C with vernier scale reading to 10 min. of arc operated by knurled knob which also carries the spirit level. Gradient scale 0-10 x 1. With a magnifier lens for easy viewing of scale. Sighting tube of square-section brass 125 mm. long.
Category: General & Chemical Laboratory Apparatus
WATER TAP, SWAN NECK
With two taps lowered at 90o angle.
WATER TAP, STANDARD
Taps for direct fitting to the service pipe.
GAS TAP SINGLE
For connecting direct to the service pipe.
WATER TAP SWAN NECK
Screwed lower end, with one angle tap.