----------------+----------------------------------------- | | Working Expenses per hour. +-----------+---------+---------+--------- | One | Two | Three | Five Name of Machine.| light. | lights. | lights. | lights. ----------------+-----------+---------+---------+--------- |_s._ _d._ |_s._ _d._|_s._ _d._|_s._ _d._ Gramme single | | | | light “A” with| 1 6 | 2 1 | 2 7 | 3 0 Siemens lamp | | | | | | | | Cost per light | 1 11·4 | 1 4·8 | 1 2·2 | 0 10·2 per hour | | | | | | | | Siemens single | | | | light “medium”| | | | with Siemens | 1 7¹⁄₂[119]| 2 4 | 2 10 | 3 9 small-sized | | | | lamp | | | | | | | | Cost per light | 2 1·4 | 1 6·8 | 1 3·84| 1 0·8 per hour | | | | ----------------+-----------+---------+---------+--------- | Six lights. | Twenty lights. +---------------------+------------------- | _s._ _d._ | _s._ _d._ Gramme “many | | light” machine| 2 8 | 6 3 with candles | | | | Cost per light | 0 6·4 | 0 4·2 per hour | | ----------------+---------------------+------------------- Mr. Shoolbred has also given another table[120] of street lighting which partly deals with the question of cost, it is as follows: -------------+--------+------+-------+------+--------+--------------- | | | | |Illumi- | | | | | | nating | | Cost to| | Annual| | Power | | Munic- |Length| Cost | | of | | ipal | of | per | No. |each (on| Date of | Author-|Street|mile of| of |hori- | Lighting. | ity. | Lit. |street.|Lamps.|zontal).| Remarks. -------------+--------+------+-------+------+--------+--------------- | | yards| | | | | | line-| | | can- | | £ | al. | £ | | dles. | CITY OF LONDON. _District No. 1._ (Ludgate Hill, &c.).--“Brush” Electric Light Co.