A B C D E F G H I J K L M N O P Q R S T U V W Z

Koenig, Paris, France
Lissajous and Desains apparatus for the optical and graphical study of sounds

Kohl, Chemnitz, Germany
Braun Electrometer

Latimer Clark Muirhead & Co., Westminster, England
Moving needle differential galvanometer

Leitz, Wetzlar, Germany
Lilliput arc lamp with clockwork adjustable movement

Leonardi e Zimbelli, Torino, Italy
Habermann screw lamp

Lusvberg, Roma, Italy
Atwood machine

Manuelli, Reggio Emilia, Italy
Small sand-glass
Piezometers

Miller, Innsbruck, Austria

Magnetometer
Spherometer

Catetometer

Molteni F. e A., Paris, France

Lissajous and Desains apparatus for the optical and graphical study of sounds