Пошук Зображення Карти YouTube Новини Gmail Диск Календар Більше »
Увійти
Книги Книги 1 - 10 з 35 у ... b. Must always be placed in dry, accessible places, and be grouped as far as....
" ... b. Must always be placed in dry, accessible places, and be grouped as far as possible. Knife switches must be so placed that gravity will tend to open rather than close the switch. "
Transactions of the American Society of Mechanical Engineers - Сторінка 969
автори: American Society of Mechanical Engineers - 1898
Повний перегляд - Докладніше про цю книгу

The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...equally non combustible back boards. Jack-knife switches, whether provided with friction or spring stops, must be so placed that gravity will tend to open rather than close the switch. FIXTURE WORK. 27. (a) In all cases where conductors are concealed within or attached to gas fixtures,...
Повний перегляд - Докладніше про цю книгу

Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1892 - 176 стор.
...handle. 4. Have carrying capacity sufficient to prevent heating above the surrounding atmosphere. 5. Be placed in dry accessible places, and be grouped as far as possible, being mounted, when practicable, upon slate or equally indestructible back boards. MOTORS. — In wiring...
Повний перегляд - Докладніше про цю книгу

The Architect's and Builder's Pocket-book of Mensuration, Geometry ...

Frank Eugene Kidder - 1892 - 911 стор.
...been imparted by the handle. (d ) Must have carrying capacity sufficient to prevent heating. (e) Must be placed in dry, accessible places and be grouped as far as possible, being mounted — when practicable — upon slate or equally non combustible back boards. Jack-knife...
Повний перегляд - Докладніше про цю книгу

Convention

National Electric Light Association. Convention - 1892
...handle. 4. Have carrying capacity sufficient to prevent heating above the surrounding atmosphere. 5. Be placed in dry, accessible places, and be grouped as far as possible, being mounted, when practicable, upon slate or equally indestructible back boards. MOTORS. — In wiring...
Повний перегляд - Докладніше про цю книгу

Standard Tables for Electric Wiremen: With Instructions for Wiremen and ...

Charles M. Davis - 1893 - 128 стор.
...... 16.... 13.... 20 .... . ... 15 .... 5 3 3 ... 5.... 3.... 2. . . . .... 15 1O .... 5 3 e. Must be placed in dry, accessible places, and be grouped as far as possible, being mounted — when practicable — upon slate or equally non-combustible backboards. Jack-knife...
Повний перегляд - Докладніше про цю книгу

Electrical Engineer, Том 17

1894
...пате carrying capacity sufficient to prevent heating above the surrounding atmosphere. б. Must be placed In dry accessible places and be grouped, as far as possible, being mounted, when practicable, upon slate or equally indestructible backboarda. Motor*. 1. In wiling...
Повний перегляд - Докладніше про цю книгу

The Electrical Transmission of Energy: A Manual for the Design of Electrical ...

Arthur Vaughan Abbott - 1895 - 586 стор.
...Must have carrying capacity sufficient to prevent heating above the surrounding atmosphere. 5. Must be placed in dry, accessible places, and be grouped as far as possible, being mounted, when practicable, upon slate or equally indestructible backboards. 139. MOTORS. 1. In...
Повний перегляд - Докладніше про цю книгу

Electric Lighting Specifications for the Use of Engineers and Architects

Earle Abbott Merrill - 1896 - 213 стор.
...equally noncombustible backboards. Jackknife switches, whether provided with friction or spring stops, must be so placed that gravity will tend to open rather than close the switch. FIXTURE WORK. 27. a. In all cases where conductors are concealed within or attached to gas fixtures,...
Повний перегляд - Докладніше про цю книгу

Electric Wiring for the Use of Architects, Underwriters, and the Owners of ...

Russell Robb - 1896 - 183 стор.
...equally non-combustible back boards. Jack-knife switches, whether provided with friction or spring stops, must be so placed that gravity will tend to open rather than close the switch. If switches are not mounted on waterproof and noncombustible bases, arcing and heating caused by accidental...
Повний перегляд - Докладніше про цю книгу

Electric Lighting Specifications

Earle Abbott Merrilol - 1896 - 213 стор.
...been imparted by the handle. d. Must have carrying capacity sufficient to prevent heating. e. Must be placed in dry, accessible places, and be grouped as far as possible, being mounted—when practicable—upon slate or equally noncombustible backboards. Jackknife switches,...
Повний перегляд - Докладніше про цю книгу




  1. Моя бібліотека
  2. Довідка
  3. Розширений пошук книг
  4. Завантажити файл PDF