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Cabinet Terms:
Round Top Square Top:  This term is used to describe the top corners of soda machines. Generally, machines produced during the 30's, 40's and 50's had rounded corner tops as opposed to their later 60's models that became known as "Square-Cornered" or "Square Top" Machines.
White Top:  This refers to the paint scheme used by Coca-Cola in the late 50's. Soda Machines manufactured after 1954 were painted red with the top 1/3 of the machine painted white.
Slant Shelf
This is another term for the Glass Door Machine. The shelves are slanted downward to either the right or left to allow gravity to feed the bottles or cans into the vending rack where the patron can remove the product to complete the vending cycle.
Square Top
This term describes the upper corners of machine. You may also hear the term "square-cornered" machine. Generally speaking, these types of machines where manufactured starting in the 1960s with a few models seeing production in the 1950s.
Large Vents
Small Vents:
 This term refers to the ventilation louvers on the lower sides of a soda machine cabinet. Large Vent cabinets such as a Vendo 39 have 11 large louvers in them while Small Vent cabinets have 22 louvers (2 columns) on each side, for a total of 44 louvers. Large Vents were generally manufactured on machines before Small Vents.
Bow-Out Chests:  This term refers to the group of chests made by Cavalier & Westinghouse that "bow-out" slightly on the sides. Westinghouse 6-Case Masters, or Cavalier 18-Case Giants would both fall into this category.
Dry Box:  This is a chest that does not need water in it to cool its contents; it uses the air inside the cooling compartment.
Wet Box:  This is a chest type machine that cools water and uses it to keep its contents cold. The compressor first chills the water and it is then circulated around the drinks (or whatever) to cool them.
Large Door:  You will hear the term "Large Door 81." This refers to the size of a machines coin door. V-81s & V-110s were made with two different sizes of coin doors. When someone says they have a large door 81, they're just telling you in very specific terms which machine they have. This is important to know when obtaining parts for the outside of an 81 or 110 because the parts (and some decals) are different depending on what you have. Also large and small door 81s take different door liners and linkages.
Small Door:  The other coin door on 81s and 110s. All V-39s are small doors. On Vendo 81s, a "Small Door" 81 is usually a model 81A or 81B. Early Vendo 110s have small doors as well.
Split Door:  This refers to the type of coin doors on a VMC 27s, 27a (Dual 27) and 33s. These are the pair of cast aluminum doors that hide the coin gear. Someone might say they have a split door 33 so you'd know it wasn't a 33 "D" type, with the one piece front coin door.
Glass Door Machine:  A glass door machine is a multi-drink upright machine that has a glass bottle door that you have to open to pull a soda out. These machines will usually hold many different sizes of bottles due to the fact that their shelves can be adjusted to accommodate different lengths of bottles.
Slider:  This nickname refers to either Ideal or Glasco. These two manufacturers made machines that you had to slide the bottle of choice down a rack and then pull the bottle through a gate to release it. This sliding action is where the machine get its nickname.
Belt Line
Visible rust through holes at the same level as the bottom of the cooling compartment. Indicates moisture/condensation has accumulated in the insulation between the inner liner and the compressor compartment.
Coin/Vending Terms:
Crank Handle:  This is the handle you push down to get a soda on most manual machines (V-39, V-81 etc.).
Coin Mech:  This refers to both manual and electric coin mechanisms. This is the part, in conjunction with the Slug Rejector, that diverts coins to the appropriate slot in order to correctly count the coins and release or activate the vending process.
Slug Rejector:  The slug rejector is the device that actually receives coins from the coin slot and/or coin chute. The slug rejector is removable from the coin mechanism and is responsible for checking authenticity of the different coins by size, magnetism and weight. Once bad coins are filtered and returned to the parton, the good coins are then sent to the correct slots in the coin mechanism prior to initiating the vend process.
Misc. Terms:
Embossed:  This term is referring to Soda Machines or Coolers that have a company logo that is "raised up" from the metal surface. Many Soda Brands had their machines with "Embossed" lettering or logos.
N.O.S.:  An acronym for "New Old Stock" which simply means that an item is old, but was never used.
VMC:  This three letter acronym stands for Vendorlator Manufacturing Company and is used frequently when refering to the Vendorlator soda machine manufacturer.
Clutch Drive
This special screw type is often found in original machines, with VMC being the most prominent, and is shaped like an hourglass or black widow marking.
Refrigeration Terms:
Evaporator: Part of the refrigeration system responsible for allowing the freon gas to expand causing the gas to cool the coils which reduces the temperature in the cooling compartment. Generally, in upright machines, the evaporator is located in the product compartment. In some older coolers that are water cooled, the evaporator coils are submerged in the water bath to cool the water which in turn cools the product. Sliders and cooler/machines of this type have evaporator coils attached to the compartment liner walls along the outside with the insulation to reduce the compartment temperature.
Condensor: Part of the refrigeration system that cools the freon gas as it leaves the compressor. The condensor functions similar to the radiator in an automoble. Generally, the condensor is mounted below the cooling compartment along with the compressor.
Compressor: The compressor compresses the freon gas into a liquid state and as this occurs the resulting heat is dissipated via the condensor. This component can appear in several shapes and sizes depending on the size needed to cool the cooler/machine.
Thermostat: This is a component of the refrigeration system that senses the temperature in the cooling compartment. This part has line voltage, 110v - 120v A/C, in order to start and stop the compressor depending on the compartment temperature.. Most upright machines have the thermostat located in the cooling compartment with the evaporator. Other machines/coolers may locate the thermostat outside of the cooling compartment with the compressor/condensor. Generally, the temperature is controlled via a knob that when rotated will either lower or raise the compartment temperature.
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