Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
25ml Glass Burette. Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
50ml Glass Burette. Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 180 18mm x 18mm coverslips per ounce.
Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 180 18mm x 18mm coverslips per ounce.
Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 125 22mm x 22mm coverslips per ounce.
Maximum clarity, unsurpassed quality and corrosion resistant. Thickness No. 0. There are approx 125 22mm x 22mm coverslips per ounce.
Our Glass Dropping Pipettes consist of a glass tube attached to a 5ml bulb. Sold in packs of 12. Bulb color may vary.
Heat resistant glass stirring rods with rounded ends. Pack of 12.
5mm, 8 inch long heat resistant stirring rod made of soft flint glass. They are essential for mixing and stirring chemicals and liquids. Both ends of each rod are fire-polished and rounded, so they don't hurt hands and are easy to operate. Pack of 12.
Griffin type. Made of Zinc alloy. Die cast. Nickel plated. Cuts tubing up to 38mm (1 1/2") diameter. Spring loaded to stay open.
Quality glassware assortment for use in general science, or chemistry laboratory. Kit includes following items: two 100ml glass beakers, one 250 ml glass beaker, 1 400 ml glass beaker, two 4 oz. bottles w/ screw caps, two 50 ml Mohr burettes, 1 porcelain crucible, 1 porcelain crucible cover, 1 pipette eye dropper, 12 300ml barnes dropping bottles, 1 porcelain evaporation dish, one 75mm short stem funnel, one 75 mm watch glass, 1 porcelain mortar and pestle, one 10 ml glass cylinder, one 25 ml glass cylinder, one 50 ml glass cylinder, one 100 ml glass cylinder, six 13x100 test tubes, six 18x150 test tubes, six 25x200 test tubes, 4 glass capillary tubing, one 250 ml Erlenmeyer flask, one 8" glass rod and two 100 mm petri dishes. Designed for use by 2-4 students. Shipped in a reusable storage box. 57 pieces total.
Quality glassware assortment for use in general science, or chemistry laboratory. Kit includes following items: two 100ml glass beakers, one 250 ml glass beaker, 1 400 ml glass beaker, two 4 oz. bottles w/ screw caps, two 50 ml Mohr burettes, 1 porcelain crucible, 1 porcelain crucible cover, 1 pipette eye dropper, 12 300ml barnes dropping bottles, 1 porcelain evaporation dish, one 75mm short stem funnel, one 75 mm watch glass, 1 porcelain mortar and pestle, one 10 ml glass cylinder, one 25 ml glass cylinder, one 50 ml glass cylinder, one 100 ml glass cylinder, six 13x100 test tubes, six 18x150 test tubes, six 25x200 test tubes, 4 glass capillary tubing, one 250 ml Erlenmeyer flask, one 8" glass rod and two 100 mm petri dishes. Designed for use by 2-4 students. Shipped in a reusable storage box. 57 pieces total.
Also called glycerin or glycerine, Glycerol is both a colorless and odorless liquid, that is fairly viscous. It is a simple polyol compound, with a triglyceride backbone and 3 hydroxyl groups.
This full-color, authoritative look at the behavior and biology of birds is packed with information on:
• How birds fly, migrate, nest, sing, raise their young, and more
• Ways to observe birds as they go about their daily lives
• How to attract and care for backyard birds
A perfect complement to identification guides, this Golden Guide from St. Martin's Press is destined to become a staple in the library of every bird lover and student.
Common American species. 423 color illustrations.
Common American species. 423 color illustrations.
This is a practical beginner's guide to the most common American wildflowers. Emphasis is on those with showy petals and those that the amateur is most likely to see. Special features include:
• Where to look for wildflowers
• Tips on how to collect and grow them
• Simplified range maps
As an added aid to quick and easy identification, the flowers are grouped according to color.
This concise introduction to the life of the past as revealed through fossils, is an invaluable and enjoyable guide which includes:
• Descriptions of the typical plants and animals of major geological eras
• Maps showing where fossils can be found
• The history of the development of life on earth
• Full-color illustrations
Life of the past as revealed through fossils. 481 illustrations.
A guide to familiar American species. 218 animals in full-color.
A guide to familiar American species. 218 animals in full-color.
This guide features information gathered by the Voyager space probe in 1989 and other exciting discoveries about the solar system.
This Golden Guide from St. Martin's Press is an introduction to the major groups of poisonous animals in the world, including the most deadly species. Learn about:
• Dangerous stingers, fangs, and spines
• The many varieties of venom, and the different ways they are used
• Where poisonous animals live
Includes full-color illustrations and little-known facts about some of the most remarkable animals on earth.
This guide describes and illustrates, in full color, the plants and animals that live in or near ponds, lakes, streams, and wetlands. It includes surface-dwelling creatures as well as those of open water, the bottom, and the shore and tells how various animals and plants live together in a community.
Plus suggestions for:
• Where and when to look
• Observing and collecting specimens
• Making exciting discoveries
This guide to the snakes, frogs, turtles, and salamanders of North America aids in the identification of 212 species. Learn:
- How to tell the difference between reptiles and amphibians
- How and where to find them
- How to separate fact from fable
Reptiles and Amphibians includes full-color illustrations, up-to-date range maps, and a host of fascinating facts about these interesting and unusual animals.
Using clear text and detailed illustrations, Golden Guides from St. Martin's Press present accurate information in a handy format for the beginner to the expert. These guides focus on what your students are really going to see. They are easy to use: detailed, full-color illustrations, text, and maps are all in one place. They are easy to understand: accurate, accessible information is simplified without being misrepresented. They are authoritative, containing up-to-date information written experts and checked by specialists. And they are portable: handy and lightweight, designed to fit in a pocket and be carried anywhere.
Seashells of the World is an introduction to the world of marine seashells, emphasizing the most attractive and best-known species. This guide will help you to:
-Identify
-Classify
-Understand the beautiful shells you see and collect
No other animals are so widely collected, traded, or bought and sold because of their beauty and rarity. 160 pp., full-color illustrations.
This compact guide will help you understand--and enjoy--the unique zone where land and ocean meet. It is a guide to:
Seashells
Sea Plants
Shore Birds
Jellyfish, Starfish, Sand Crabs
With over 475 marine subjects illustrated in full color, Seashore Life not only aids in identification but also gives an overall picture of life at the shore.
Using clear text and detailed illustrations, Golden Guides from St. Martin's Press present accurate information in a handy format for the beginner to the expert. These guides focus on what your students are really going to see. They are easy to use: detailed, full-color illustrations, text, and maps are all in one place. They are easy to understand: accurate, accessible information is simplified without being misrepresented. They are authoritative, containing up-to-date information written experts and checked by specialists. And they are portable: handy and lightweight, designed to fit in a pocket and be carried anywhere.
Explains the use of binoculars and telescopes and how to locate objects in the sky.
This fascinating Golden Guide from St. Martin's Press covers the entire spectrum of space exploration. Learn about:
- The history of space travel
- Rockets and launchers, spy satellites, space stations, sky labs, and more
- Ways in which space explorers live and work-and how they survive
Full-color illustrations and accurate information make this a must-have for every space enthusiast.
A guide to familiar American trees. 143 in full-color. 160 pages.
A guide to familiar American trees. 143 in full-color. 160 pages.
A lavishly illustrated guide to setting up, maintaining, understanding, and enjoying an aquarium for tropical fish and other animals. Including:
- Selecting the aquarium
- Lights, temperature, and decorations
- Feeding your fish and keeping them healthy
The fish and other organisms described and illustrated have been selected on the basis of their availability, beauty, and general interest.