30
/ru/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
Public Timelines
FAQ
Menu
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Open cabinet
Создать
Close
Create a timeline
Public timelines
Library
FAQ
Скачать
Export
Создать копию
Premium
Встроить в сайт
Molly Koskey, 3rd hour, electric fire alarm
Редактировать
Обновлено 13 фев 2018
0
0
299
Share
Авторы
Created by
Molly Koskey
List of Edits
Attachments
Comments
События
first fire alarm was invented
the first call came in through the alarm.
The electric fire alarm was patened
First underground free alarm cable was installed
A few boxed were equipped with light indicators
All boxes were equipped with keyless doors
Периоды
Electric fire alarm system
About & Feedback
Соглашение
Приватность
Библиотека
2024
©
Time.Graphics
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
Excellent (Trustpilot Reviews)
Based on 115+ reviews
Write your own review on
Trustpilot.com
Comments