Hooded Binnacles with dip-dials automatically recording change of level (illuminated face).

All heights from 50 to 15,000 feet                                     £2 10 0

With Aerial Board of Control certificate                            £3 11 0

Foot and Hand Foghorns; Sirens toned to any club note;
with air-chest belt-driven from motor                                £6   8 0

Wireless installations syntonised to A. B. C.
requirements, in neat mahogany case, hundred mile range  £3   3 0

Grapnels, mushroom anchors, pithing-irons, winches, hawsers, snaps, shackles and mooring ropes, for lawn, city, and public installations.

Detachable under-cars, aluminum or stamped steel.

Keeled under-cars for planes: single-action detaching-gear, turning car into boat with one motion of the wrist. Invaluable for sea trips.

Head, side, and riding lights (by size) Nos. 00 to 20 A. B. C. Standard. Rockets and fog-bombs in colours and tones of the principal clubs (boxed).

A selection of twenty                                                       £2 17 6

International night-signals (boxed)                                    £1 11 6

Spare generators guaranteed to lifting power marked on cover (prices according to power).

Wind-noses for dirigibles—Pegamoid, cane-stiffened, lacquered cane or aluminum and flux for winter work.

Smoke-ring cannon for hail storms, swivel mounted, bow or stern.

Propeller blades: metal, tungsten backed; papier-maché; wire stiffened; ribbed Xylonite (Nickson's patent); all razor-edged (price by pitch and diameter).

Compressed steel bow-screws for winter work.

Fused Ruby or Commercial Mineral Co. bearings and collars. Agate-mounted thrust-blocks up to 4 inch.

Magniac's bow-rudders—(Lavalle's patent grooving).

Wove steel beltings for outboard motors (non-magnetic).

Radium batteries, all powers to 150 h. p. (in pairs).

Helium batteries, all powers to 300 h. p. (tandem).

Stun'sle brakes worked from upper or lower platform.

Direct plunge-brakes worked from lower platform only, loaded silk or fibre, wind-tight.