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| Year | Stories |
|---|---|
| 1923 | 1 |
1 story matching ammonium
Scanning errors are common in old newsprint. Also try:ammonia, ammon, pandemonium
- The University Chemist’s Low-Cost Dynamite
A University of Washington professor proposes a state-manufactured explosive to slash land-clearing costs for farmers.
Also about this, in other words
- The Hidden Poison in Your Pantry
An official investigation exposes the widespread use of ammonia and alum in common baking powders, arming local housewives with kitchen-tested methods to unmask the dangerous additives.
- A Backyard Chemistry Disaster
An attempt to follow official advice for killing aphids leads to a dangerous explosion in a Tacoma garden.
- Richland Builds a Community Fountain
Town residents donate labor and money to add a centerpiece to Amon Park.