The Project Gutenberg eBook of Refraction and muscular imbalance, as simplified through the use of the ski-optometer

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Title: Refraction and muscular imbalance, as simplified through the use of the ski-optometer

Author: Daniel Woolf


Release date: August 29, 2023 [eBook #71517]

Language: English

Original publication: New York: Theodore S. Holbrook, 1921

Other information and formats: www.gutenberg.org/ebooks/71517

Credits: deaurider and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)

*** START OF THE PROJECT GUTENBERG EBOOK REFRACTION AND MUSCULAR IMBALANCE, AS SIMPLIFIED THROUGH THE USE OF THE SKI-OPTOMETER ***

Ski-optometer Master Model 215

Embodying in a Single Instrument, in Convenient Form,
Cylindrical and Spherical Lenses, in Combination
with Appliances for Testing and Correcting
Muscular Imbalance.

Refraction and
Muscular Imbalance

As Simplified Through the Use
of the Ski-optometer

By

DANIEL WOOLF

WOOLF INSTRUMENT CORPORATION
New York: 516 Fifth Avenue

Copyright 1921
By WOOLF INSTRUMENT CORPORATION

Published by
Theodore S. Holbrook
New York