Lab Techniques


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A Broken Glass Tool, Spectroscopes, a Grinding Machine

IT'S JUST A COMMONPLACE that the fellow who can always have whatever he wants by writing a check for..

140.00 Ex Tax: 140.00

A Mirror Grinding Machine, a Spark Plug Telescope Mount

THE SIXTH Annual Convention of amateur telescope enthusiasts will be held at Stellafane, near Spring..

140.00 Ex Tax: 140.00

Abrasives, with Focus on Diamond Abrasives

UNCOMMON OPTICAL GRINDING and polishing materials such as boron carbide, sapphire dust, titanium oxi..

140.00 Ex Tax: 140.00

Accuracy of the Knife-Edge Test

The first concerns a telescope made by a Benedictine nun, Sister Cornelia of Mount Saint Mary's Conv..

140.00 Ex Tax: 140.00

Aluminizing Equipment, Strain-Testing Glass, Pitch Lap Manufacture

ALUMINIZING one's own telescope mirrors is probably uneconomical, considering the time, materials an..

140.00 Ex Tax: 140.00

Aluminizing Mirrors, Some Knife-Edge Test Devices

LAST MONTH in this department Professor Henry L. Yeagley, of the Department of Physics at the Pennsy..

140.00 Ex Tax: 140.00

Amateur Telescopes, Mirror Grinding Tips, Schupmann Telescopes

BICYCLES having now become once more fashionable, the city or town owner of a richest-field telescop..

140.00 Ex Tax: 140.00

An Ambitious Observatory Is Built By Father and Son

A FEW WEEKS ago one of the largest and most carefully made amateur astronomical observatories went i..

140.00 Ex Tax: 140.00

An Evaporation Chamber, Designing Barlow Lenses, Metal Mirrors, Sources of Rouge

HERE IS interesting news. Aluminizing brought one step nearer reach of the average amateur and at le..

140.00 Ex Tax: 140.00

Another Automatic Mirror Grinder

AMATEUR telescope makers and astronomers within a radius of one light-year of Stellafane, near Sprin..

140.00 Ex Tax: 140.00

Another Grinding - Polishing Machine

IN THIS DEPARTMENT in the October and November numbers Patrick A. Driscoll described the design and ..

140.00 Ex Tax: 140.00

Another Method of Making Mirrors

WHICH OPTICAL SHOP methods are best-professional or amateur?Neither. In each the needs are different..

140.00 Ex Tax: 140.00

JUP-02 UV FILTRATION PUMPMODEL JUP-02VOLTAGE 110V/220V/240VFREQUENCY 50Hz/60HzPOWER 4WUV POWER 5WH-M..
1,923.22
Ex Tax: 1,923.22
This product set filtration, fountains, sterilization, add oxygen, pumping, and many other functions..
2,484.17
Ex Tax: 2,484.17
Natural substrate which filters and enhances plant growth.Supports the filter with its large coloniz..
1,426.12
Ex Tax: 1,426.12
All natural premium planting media for aquarium plantsBenefits:    Made of 100% pure ..
805.76
Ex Tax: 805.76
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