A dockland area in East London

The Isle of Dogs in 1899

Jew

Jack boot: A large strong boot worn chiefly by soldiers which covers all or most of the lower leg, sometimes reaching above the knee [OED] 

Male donkey

Meaning not known Presumably part of a power loom. 

Used as a typical name for a coach driver. [CPB]

Jaunting car: A light, two-wheeled vehicle, popular in Ireland, now carrying four persons seated two on each side, either back to back ( outside jaunting-car) or facing each other ( inside jaunting-car), with a seat in front for the driver. Formerly made for a larger number of passengers [OED]

                                                         A Jaunting Car c1832

To make a short journey, trip, or excursion; to take a jaunt [OED]

Spruce, neat, smart; neatly-made; dexterous. [OED] 

jannock : Fair, straightforward; genuine. [OED]

beer

Singing in a tune (but not the words) in a rythmical manner as if for dancing. [CPB]

A device by  which a series of loaded wagons running downhill pulled empty ones uphill by means of a cable which ran around a wheel.

Reference:
Palmer, Roy. Ed Poverty Knock: A picture of industrial life in the 19th century through songs ballads and contemporary accounts (Cambridge, Cambridge University Press, 1974) p48

Jim Along Josey is a black-face minstrel song of American origin. {Roud 4618}

The name of an early 19th-century plantation song of the American South; (also) a stage presentation of a song and dance first performed by Thomas D. Rice (1808–60). 
Rice's "Jim Crow" persona was a racial caricature contrived to flatter contemporary belief in white superiority. 

Reference:
http://en.wikipedia.org/wiki/Thomas_D._Rice

In Muslim demonology, an order of spirits lower than the angels, said to have the power of appearing in human and animal forms, and to exercise supernatural influence over men.[OED]

John - Lancashire dialect

The act or practice of buying and selling goods or stocks in order to profit; the work of a jobber [OED]

Jobson: A country person; a yokel, a peasant [OED]