BROWNING'S NEW LARGE AUTOMATIC ELECTRIC LAMP. In this Lamp both carbons are moved by the electricity of the battery employed (without the aid of clockwork) ; the light remains uniform in height, and more steady in action than any of the expensive regulators... How to work with the spectroscope - Page 54by John Browning (F.R.A.S.) - 1878 - 66 pagesFull view - About this book
| Sir Norman Lockyer - 1879 - 622 pages
...Parabolic Reflector ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... Ч 2 I n these Regulators both carbons are moved by the electricity of the battery...of the expensive regulators previously introduced. ILLUSTRATED CATALOGUE AND DESCRIPTION OF SPECTROSCOPES S«HT FOR 7 STAMPS. JOHN BROWNING, OPTICAL AND... | |
| Sir Norman Lockyer - 1870 - 694 pages
...Actuary. NEW ELECTRIC LAMP.— Browning's New Large Automatic Electric Lamp. In this lamp both carljons are moved by the electricity of the battery employed...of the expensive regulators previously introduced. Price Jtl8 ¿J. Illustrated circular for stamped envelope. JOHN BROWNING, Optical and Physical Instrument... | |
| 1870 - 682 pages
...ELECTRIC LAMP. BROWNING'S HEW LAHGB AUTOMATIC ELECTRIC LAMP In this lamp both carbons are moved by tho electricity of the battery employed (without the aid...of the expensive regulators previously introduced, prom 25 to 50 quart Grove's •cells, or the same number of 2 quart Uunsen's, should be used with this... | |
| James Samuelson, William Crookes - 1870 - 660 pages
...Stationers'-Hall Court, Ludgate Hill, EG BROWNING'S NEW LARGE AUTOMATIC ELECTRIC LAMP. In this Lamp both carbons are moved by the electricity of the battery...of clockwork); the light remains uniform in height, H <i more steady in action than any of the expensive rejrulators previously introduced. Any number... | |
| Royal Microscopical Society (Great Britain) - 1870 - 454 pages
...In this Lamp both carbons are removed by the electricity of the battery employed (without the aiil of clockwork) ; the light remains uniform in height,...action than any of the expensive regulators previously to 50 quart Grove's cells, or the bame number of 2 quart Bunsen's, should be used with this Lamp. 8s.... | |
| Sir Norman Lockyer - 1870 - 684 pages
...each. NEW ELECTRIC LAMP.— Browning's New Large Automatic Electric Lamp. In this hmp both carbons arc moved by the electricity of the battery employed [without...clockwork) : the light remains uniform in height, ;md more steady ¡n action than any pf the expensive regulators previously introduced. Price £8 8i.... | |
| James Samuelson, William Crookes - 1871 - 616 pages
...Maclachlan and Stewart. Manchester: J. Heywood. BROWNING'S NEW LARGE AUTOMATIC ELECTRIC LAMP. In this Lamp both carbons are moved by the electricity of the battery...of the expensive regulators previously introduced. Any number, from 2o to jo-quart Grove's Cells, or 2-quart Bunsen's, may be used with this Lamp. Price... | |
| Royal Microscopical Society (Great Britain) - 1871 - 396 pages
...POWEE UNSUEPASSED. BROWNING'S KEW LAEGE AUTOMATIC ELECTRIC LAMP. In this Lamp both carbons are removed by the electricity of the battery employed (without...of the expensive regulators previously introduced. Any number from 20 to 50 quart Grove's Cells, or 2 quart Bunsen's, may be used with this Lamp. Price... | |
| 1873 - 636 pages
...Stamps. List of Spectroscopes Free by Post. BROWNING'S NEW LARGE AUTOMATIC ELECTRIC LAMP. In this Lamp both carbons are moved by the electricity of the battery employed (without the aid of clockwork) ; the li(jht remains uniform in height, and more steady in action than any of the expensive regulators previously... | |
| James Samuelson, William Crookes - 1873 - 606 pages
...Speclrosco Free by Post. BROWNING'S NEW LARGE AUTOMATIC ELECTRIC LAMP. ,pes In this Lamp both carbons arc moved by the electricity of the battery employed (without the aid of clockwork) ; the light rema1ns uniform in height, and more steady in action than any of the expensive regulators previously... | |
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