Find a dealer.
That's correct. The book value of old equipment represents its historical cost and accumulated depreciation, which is not relevant for decision-making because it does not reflect the current market value or the future costs and benefits associated with the equipment. When making decisions, it's important to focus on relevant future costs and benefits rather than past historical costs.
Google, or a book made especially about old coins.
Blue Book of Gun Values
To find the value of old books, you can consult with rare book dealers, appraisers, or online resources such as auction websites and rare book marketplaces. Factors that can affect a book's value include its rarity, condition, demand, and any unique features it may have.
Abebooks.com is a good place to start.
The best place to find the value of your old car is to get the Kelley Blue Book value. You will find this at www.kbb.com, and enter the car's information on the website in order to determine the car's value.
Look up "Blue book of airguns 8 edition."
Find out in the front HOW old it is and then try and workout how much you would pay for it? Maybe ask a libarian. He/she would most-likely know. If not then have a wild guess.
The quickest way to find manufacturer's instructions is to look at the manufacturer's web site. If the equipment is old and the manufacturer out of business, it may be helpful to look at auction sites such as eBay. Use equipment dealers and used book stored can also be useful sources.
Go to a book store or Library and find a book called "Blue Book of Airguns 10 edition." In there you will find on page 634 the set values for the webley Junior.
A car's value depends on the year, make, and model as well as the amount of wear and tear on it. Blue Book should give you a base amount to start with.
Kelly Blue Book does not have pricing information on vehicles that old. To find the value, there are many classic car price guides available on the internet.