This item is a collectible vintage instruction booklet titled "The Westinghouse Automatic Brake" published in 1948. It was produced by the Westinghouse Brake & Signal Co., Ltd., located in London. The booklet provides detailed instructions on the maintenance and operation of air brake systems for railway trains. Such items are sought after by collectors of railway memorabilia and technical historical documents. was used and does contain water oil damage. can send more pics privately