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This phone is fully interoperable with the EE-8, TA-1, TA-43 and TA-312 series of US Field Phones. EE-8 A part of The Marshall Plan (from its enactment, officially the European Recovery Program, ERP) The EE-8* was used in USA from World War II to late seventies, and in Norway from World War II until the TP-6 could replace it.
The BC-312 was similar to the BC-342 but was designed to be directly powered by DC battery supply or dynamotor. [7] Power input: 12/24 volts DC power requirements. 6 volt tubes (Valves) connected in series with filament strings. Frequency Range: 1.5 to 18 MHz; 12A6 audio output tube in series with a resistor. Dynamotor B+ supply. [1]
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NL 202/222/262/312, low-floor bus with podium-mounted seats in rear part only (1992–1998) MAN NL 262 R, right-hand drive version for Hong Kong (1997–1999) NG 262/272/312, low-floor articulated bus with podium-mounted seats in rear part only (1992–2000) NM 152/192, low-floor midibus with podium-mounted seats in rear part only (1993–1998)
The TA-57 can be used for induction calls working with 2-wire lines in an OB (local battery) or a ZB (central battery) operation. It can be used to transmit voice messaging in ranges between 0.3 and 3.4 kHz, with a calling frequency of 15 to 45 Hz. Absolute signal level at output of transmission path with a 600Ω load ranges between -3 and +3 dBu.
Manual – the driver has to perform each gear change using a manually operated clutch; Automatic – once placed in drive (or any other 'automatic' selector position), it automatically selects the gear ratio dependent on engine speed and load; Basically there are two types of engine installation:
A U.S. Navy TA-4J Skyhawk of TW-3 on the deck of USS Lexington, 1989 The Navy operated the A-4 in both Regular Navy and Naval Reserve light attack squadrons (VA). Although the A-4's use as a training and adversary aircraft would continue well into the 1990s, the Navy began removing the aircraft from its frontline attack squadrons in 1967, with ...
The SCR-536 is often considered the first of modern hand-held, self-contained, "handie talkie" transceivers (two-way radios). It was developed in 1940 by a team led by Don Mitchell, chief engineer for Galvin Manufacturing (now Motorola Solutions) and was the first true hand-held unit to see widespread use. [1]