Industrial Expositions: See [Exhibitions].
Industrial Schools: See [Boys' Vocational School]; [Girls' Vocational School]; [Technical School].
Industry: Added celluloid to the world's products; built first locomotive engine to travel up grade; leads in manufacture of umbrella frames.
Produced first malleable cast iron; made first patent leather; is largest fine jewelry manufacturing centre; ranks 11th in U. S. in annual aggregate value of products.
Ranks 1st in N. J. in number of wage earners, amount of capital invested in manufacturing, amount paid in wages to workers, and value of goods produced.
Has one firm employing over 10,000 persons, 8 employing over 1,000, 19 employing over 500, 73 employing over 200, and 123 employing over 100 each.
INDUSTRIAL DEVELOPMENT AS AFFECTED BY THE WAR.
1. Stores and Factories:
| 1904 | 1914 | 1918 | |
| Grocery stores | 950 | 1,619 | 1,455 |
| Dry goods stores | 166 | 288 | 336 |
| Automobile dealers | 21 | 145 | 195 |
| Machine and machinery mfrs. | 79 | 99 | 125 |
| Printers | 68 | 116 | 129 |
2. Finance. Newark as a Financial Centre: