Evidence Stack

“Think of This Combination. Tires that can't rim-cut — Tires 10% oversize — Tires with a double-thick, non-skid tread.”

A tire advertisement listing three separate construction features side by side, then pointing at the set of them as the reason to buy.

Why it’s this techniqueThe copy names the move before making it: 'Think of This Combination' tells the reader to add rather than weigh, then racks three claims that each open with the same word, 'Tires', so the parallel structure does the counting. Each item is checkable on its own, and no single one is asked to close the sale; the argument lives in the total, which the copy then cashes out as 'fairly irresistible'. The tell is that the items are never developed into separate benefits or ranked against each other. They are stacked, and the count is what the reader is asked to find persuasive.

“The clothes you are wearing; the shoes on your feet; the evening papers you have just read; the draperies at your windows; the silver and the glassware, as well as the sugar, on your table; your automobile; your radio, in making all of these things, lime was used.”

An industry tribute broadcast walking through ordinary household objects one by one and noting that each required lime to make.

Why it’s this techniqueThe claim rides on accumulation rather than argument. Each item arrives as its own small proof, 'the clothes you are wearing', 'the shoes on your feet', 'the evening papers you have just read', and the list keeps going through 'your automobile' and 'your radio' until the reader has counted the case himself. The tell is the closing tie-off, 'in making all of these things, lime was used', which collects the whole run into one verdict instead of resting on any single item. Second-person inventory of what the reader owns supplies the raw material, and the stacking is what converts it into evidence.

“OxiClean seeks out organic stains, pet stains, food stains. it gets down into the matting, into the padding. It even takes red wine and grape juice out of white carpeting. It cleans, it brightens, it eliminates odors all at the same time.”

A direct-response television pitch running through the product's ingredients, safety, surfaces, stain types and simultaneous effects in rapid succession.

Why it’s this techniqueClaims arrive end to end so each one adds to the weight of the last. 'organic stains, pet stains, food stains' widens the target, 'into the matting, into the padding' adds depth, 'red wine and grape juice out of white carpeting' supplies the hardest single case a listener can picture, and 'It cleans, it brightens, it eliminates odors' closes on breadth. The tell is the absence of connective reasoning: nothing explains why the product works, the run accumulates instances, then totals them with 'all at the same time'. Read as a feature list, the ordering by rising difficulty is what makes accumulation the argument.

“What makes Rolls-Royce the best car in the world? "There is really no magic about it — it is merely patient attention to detail," says an eminent Rolls-Royce engineer. 1. "At 60 miles an hour the loudest noise comes from the electric clock," reports the Technical Editor of THE MOTOR. Three mufflers tune out sound frequencies — acoustically. 2. Every Rolls-Royce engine is run for seven hours at full throttle before installation, and each car is test driven for hundreds of miles over varying road surfaces. 3. The Rolls-Royce is designed as an owner-driven car. It is eighteen inches shorter than the largest domestic cars.”

A print advertisement for a luxury car that puts a question at the top and answers it with a numbered list of manufacturing and design facts.

Why it’s this techniqueA question, 'What makes Rolls-Royce the best car in the world?', is answered by a numbered run instead of an argument. The engineer's line, 'There is really no magic about it... it is merely patient attention to detail', warns the reader that the case will be built out of small facts, and the items then arrive in unlike kinds: a borrowed press observation, 'reports the Technical Editor of THE MOTOR'; a factory routine, 'run for seven hours at full throttle before installation'; a plain dimension, 'eighteen inches shorter than the largest domestic cars'. The tell is that nothing links the items except their place in the count.

“One effect is to attack the film, the coat that dims the tooth luster. Another leaves teeth highly polished, so film-coats less easily adhere. The salivary flow is instantly increased. That is Nature's great tooth-protecting agent. The starch digestant in saliva is multiplied at once. That is there to digest starch deposits. Otherwise they may cling to teeth, get between the teeth, ferment and form acids. The alkalinity of the saliva is multiplied. That is to neutralize the acids which cause tooth decay. All these results come from every application.”

A print advertisement for a toothpaste that sets out, one by one, the effects the product is said to produce with every use.

Why it’s this techniqueEach support is given a paragraph of its own, so the claims reach the reader one at a time: 'One effect is to attack the film', 'Another leaves teeth highly polished', 'The salivary flow is instantly increased', 'The starch digestant in saliva is multiplied at once', 'The alkalinity of the saliva is multiplied'. The run moves from how the mouth looks to what it is doing chemically, so unlike kinds of benefit pile onto one product. The tell is the collector line, 'All these results come from every application', which totals the run rather than resting the claim on any single effect.

“In fact, some people who drive our little flivver don't even think 32 miles to the gallon is going any great guns. Or using five pints of oil instead of five quarts. Or never needing anti-freeze. Or racking up 40,000 miles on a set of tires.”

A print advertisement for a small car in which the running-cost figures are mentioned as things owners have stopped noticing.

Why it’s this techniqueThe supports are racked as an afterthought, which is what leaves the pile to do the work. 'some people who drive our little flivver don't even think 32 miles to the gallon is going any great guns' puts down the first figure and shrugs at it, and three more follow as fragments that each begin the same way: 'Or using five pints of oil instead of five quarts. Or never needing anti-freeze. Or racking up 40,000 miles on a set of tires.' Every item is a separate running cost, small on its own. The tell is that repeated 'Or', which adds without ever arguing.

“4 — the advantages in appearance and construction inherent to Fisher bodies, for Pontiac Six bodies are Fisher bodies, styled with all the mastery of Fisher craftsmanship, finished in genuine Duco, and embodying those principles of staunchness, solidity and safety that the public has learned always to expect from the world's largest builder of fine automobile bodies. And 5 — the economies of General Motors' vast purchasing power which enables General Motors to acquire materials in huge quantities and thus to effect annual savings of millions ... which are passed back to the buyer in the form of more advanced engineering, more distinctive beauty, more satisfying performance and more pronounced economy.”

A print advertisement announcing a new model, which credits the car to a numbered list of the parent corporation's resources.

Why it’s this techniqueThe supports are corporate capacities rather than features of the car, handed over as a numbered inventory: 'the advantages in appearance and construction inherent to Fisher bodies', then 'the economies of General Motors' vast purchasing power'. Each entry names a resource and credits it in the same breath, with 'the world's largest builder of fine automobile bodies' and 'annual savings of millions' doing the proof work inside their own items. The tell is the running count of resources and the closing conversion of the whole run into 'more advanced engineering, more distinctive beauty, more satisfying performance and more pronounced economy'.

“Acclaimed by Lancet, high medical authority. No higher endorsement can be given an antiseptic and germicide than that of The Lancet of London. This great medical journal never bestows approval on a practice or a product until it has been thoroughly tested. After conducting its own research, The Lancet unreservedly endorses Listerine as a safe antiseptic of high germicidal potency. Listerine non-poisonous, non-irritating, absolutely safe. Listerine may be safely used full strength in any body cavity. It is non-poisonous, non-irritating, and actually has a soothing and healing effect on tissue. Effective against sore throat, dandruff, and halitosis because germicidal. Listerine has been found to be an excellent treatment for a great many ailments.”

A print advertisement for an antiseptic that presents its claims as a series of headed proof blocks, each with its own supporting paragraph.

Why it’s this techniqueThree supports arrive with their claims stated first and their backing set behind them, each answering a different doubt. 'Acclaimed by Lancet, high medical authority' supplies an outside verdict, then guards it: 'This great medical journal never bestows approval on a practice or a product until it has been thoroughly tested'. 'Listerine non-poisonous, non-irritating, absolutely safe' meets a question of risk, and 'Effective against sore throat, dandruff, and halitosis because germicidal' meets a question of range. The tell is that the supports never build on one another. They sit side by side, and the case is their number.