The label test, the wear-logic test, and the materials test — a screening method for fake apothecary bottles, mortars and pharmacy cabinets, plus the marriage problem.
The honest valuation method: identify first, then sold listings — not asking prices — weighed by condition and completeness, widened through auction archives when it matters.
Radium-era cure products are still radioactive today. How to recognize them, test with a detector, handle and store them safely, and dispose of them lawfully.
Thermometers, barometers and blood-pressure instruments can contain liquid mercury. Which antiques to watch, safe handling, the spill rules, and lawful disposal and shipping.
Where maker marks hide, what they prove, the maker-versus-retailer trap, and the research sequence from stamp to documented firm — without fabricated attributions.
Read the glass like a document: pontil scars, mold seams, finishes, stoppers and label technology — the triangulation method for dating pharmacy bottles honestly.
Antique pharmacy bottles can hold poisons and controlled substances. Safe handling, the legal picture, buying and selling filled bottles, and correct disposal.
Read cased surgical sets, diagnostic tools and specialist instruments like documents: construction-based dating, maker mark research, completeness grading, and condition rules.
Identify and evaluate apothecary bottles, show globes, mortars, scales and pharmacy cabinets — dating methods, reproduction tells, condition rules, and honest value research.
How to identify, date, and evaluate antique medical, pharmacy and quack-device pieces — the four families, the value factors, the hazards, and the honest way to research worth.
Violet ray machines, galvanic batteries, magnetic appliances and radium-era cure products — identification, completeness grading, the safety line, and honest market research.