278
(Copy.)
4th December, 1900.
CAPE D'AGUILAR FIRST ORDER LIGHT.
Occulting gear for changing the present Fixed Light into an Occulting Light, to produce occultations at intervals to be decided upon, comprising :-Clockwork com- plete, with driving chain, and spare chain, lead driving weights, snatch block and back balance chain, sheet-iron dropping cylinder, over-gead gear springs, chains, brackets, adjustable clip brackets, bushed brackets for overhead gear, pawl for crank disc spare chains, two spare spiral springs, two spare chain pulleys, one spare double ended lever, one spare trigger, spare screws, &c,
To be set up and tested in our Works.
Packed and delivered f.o.b. in London for the sum of £130 (One hundred and thirty pounds).
GREEN ISLAND FOURTH ORDER LIGHT.
Occulting Gear, &c., exactly as above.
Packed and delivered f.o.b. in London for the sum of £125 (One hundred and twenty-five pounds).
We should require to know the period desired for the occultation, how many seconds dark and how many seconds light. Also the diameter of the burner to ensure correct size of the dropping cylinder.
A weight tube for conducting the driving weights should be provided in the
tower.
CHANCE BROTHERS AND COMPANY, LIMITED.
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