Description: Drafting Lettering, map making, interpretation, cartography in general bundle. Need a gift for the person that has it all? Just one of these items would be it.+ Group as pictured Vintage K & E Leroy Drafting Lettering Set with 3237-2 Scriber, beam compass + 5 Vintage Dwyer Portable Wind Meter MPH Instructions in original case -in clear pack+ 5 Vintage Pocket Stereoscopes in Pouch Luminos Photo Corp Model PS-2a– metal and glass in brown case.+ 5 Hubbard Pocket Stereoscopes – plastic in packaging.+ 5 Compact Whirling Psychrometer – black no case.Purpose: Measuring relative humidity in the air.Components: It typically consists of two thermometers mounted on a frame or handle:Dry Bulb Thermometer: This thermometer measures the ambient air temperature.Wet Bulb Thermometer: This thermometer has its bulb covered with a wet cloth or wick. As it rotates or is whirled through the air, evaporation from the wet bulb causes it to cool. The amount of cooling depends on the humidity of the air; drier air causes more evaporation and thus more cooling.+ 5 Aerial Stereo Photograph BOOKs (1965, 1969; Hubbard Press) by Harold R. Wanless is for stereoscopic viewing in geology, geography, conservation, forestry, and surveying. It is a book to learn the use of stereoscopic photography and to train photo interpreters. The second text, which is a supplementary study text, is Aerial Stereo Studies,To Supplement Hubbard's Aerial Stereo Photographs (1970, Hubbard Press). This supplemental book contains 8 essay-type questions for each of the 92 plates, or aerial stereo photographs, in the stereo photographs book. This bundle is about 40 pieces and range from used to near new condition.
Price: 174 USD
Location: San Antonio, Texas
End Time: 2024-12-11T15:31:46.000Z
Shipping Cost: N/A USD
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All returns accepted: ReturnsNotAccepted
Brand: KEUFFEL & ESSER
Country/Region of Manufacture: United States
