No_6_April_1964 — Page 12

10

RIXSON

•

DUO CHECK double acting

concealed · in floor closers

safe control for

2 WAY double acting

no hardware shows .

Duo-checks are firmly concealed in the rigid floor and have no hinges, arms or mechanisms exposed to be tampered with or collect dust or dirt.

Being compact and shallow, they require very little floor area or depth. The closer is easy to install... the door or closer can be removed with little effort whan re- quired. The closing speed of the door is adjusted by a readily accessible valve screw. Duo-checks are made in three spring capacities, Junior, No. 10 and 15 furnished with hold- open for both swings or one swing only and Nos. 12 and 16 furnished without hold-open. A cement case is furnished when specified. G-Series Duo-checks for dwarf doors.

interior doors

Longer spindle available for rug clearance and undercut doors. Also available with light spring.

UT

G10 series for office rail gates and' partition doors.

Sole Agents:

SHEWAN, TOMES (EQUIPMENT) LTD.

UNION HOUSE, HONG KONG. TELEPHONE: 29531

THE HONG KONG & FAR EAST BUILDER-VOLUME 18, NUMBER